FLUX 3 Image Klein Base

FLUX 3 Image Klein Base is the full undistilled checkpoint of Black Forest Labs' open-weights FLUX 3 image model, covering text-to-image generation and reference-based editing. It keeps the complete model capacity, which makes it the variant to fine-tune, customize, and optimize. It suits research, post-training work, and workflows that favor control over generation speed.

Complete technical specification for integration
Ready-to-use code snippets for common workflows
Step-by-step tutorials for advanced use cases
text-to-image
Oyster Farm Spectrometer Lifestyle Photo$0.0238~9s
High-end commercial product lifestyle photograph for a marine field-instrument campaign. On a working oyster farm at low tide, a shellfish farmer in teal waterproof bib overalls and textured orange rubber gloves uses a compact handheld water-quality spectrometer. Make the unbranded instrument the clear hero: a rugged matte ivory rectangular body with rounded corners, dark sensor window, one cobalt-blue control dial, small recessed display showing only simple colored measurement bars, and a black wrist tether. The farmer holds the device prominently in the lower-center foreground just above a shallow stainless sampling cup filled with seawater; anatomically correct hands and a natural working grip. Behind it, orderly oyster baskets recede across reflective tidal flats, with a small aluminum work skiff and another farmer softly out of focus. Cold blue dawn atmosphere cut by a low band of coral sunrise, wet surfaces sparkling, faint sea mist, authentic mud and salt residue, practical documentary realism elevated with precise advertising lighting. Square composition, close environmental portrait, eye-level 50mm perspective, shallow depth of field, crisp product materials and controls, believable scale, refined teal, ivory, rust-orange and silver palette, calm purposeful mood, generous breathing room around the device. Finished standalone photograph, no typography, no logo, no border, no mockup.
import { createClient } from '@runware/sdk'
const client = await createClient({ apiKey: process.env.RUNWARE_API_KEY })
await client.connect()
const [result] = await client.run({
model: 'bfl:flux@3-image-klein-base',
positivePrompt: 'High-end commercial product lifestyle photograph for a marine field-instrument campaign. On a working oyster farm at low tide, a shellfish farmer in teal waterproof bib overalls and textured orange rubber gloves uses a compact handheld water-quality spectrometer. Make the unbranded instrument the clear hero: a rugged matte ivory rectangular body with rounded corners, dark sensor window, one cobalt-blue control dial, small recessed display showing only simple colored measurement bars, and a black wrist tether. The farmer holds the device prominently in the lower-center foreground just above a shallow stainless sampling cup filled with seawater; anatomically correct hands and a natural working grip. Behind it, orderly oyster baskets recede across reflective tidal flats, with a small aluminum work skiff and another farmer softly out of focus. Cold blue dawn atmosphere cut by a low band of coral sunrise, wet surfaces sparkling, faint sea mist, authentic mud and salt residue, practical documentary realism elevated with precise advertising lighting. Square composition, close environmental portrait, eye-level 50mm perspective, shallow depth of field, crisp product materials and controls, believable scale, refined teal, ivory, rust-orange and silver palette, calm purposeful mood, generous breathing room around the device. Finished standalone photograph, no typography, no logo, no border, no mockup.',
negativePrompt: 'extra fingers, malformed hands, duplicated device, floating object, oversized product, unreadable labels, brand marks, prominent text, futuristic holograms, sterile studio background, fantasy scenery, excessive blur, plastic-looking water, oversaturated colors, illustration, CGI render',
width: 1024,
height: 1024
})import asyncio
import os
from runware import Runware
async def main():
async with Runware(api_key=os.environ["RUNWARE_API_KEY"]) as client:
results = await client.run({
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "High-end commercial product lifestyle photograph for a marine field-instrument campaign. On a working oyster farm at low tide, a shellfish farmer in teal waterproof bib overalls and textured orange rubber gloves uses a compact handheld water-quality spectrometer. Make the unbranded instrument the clear hero: a rugged matte ivory rectangular body with rounded corners, dark sensor window, one cobalt-blue control dial, small recessed display showing only simple colored measurement bars, and a black wrist tether. The farmer holds the device prominently in the lower-center foreground just above a shallow stainless sampling cup filled with seawater; anatomically correct hands and a natural working grip. Behind it, orderly oyster baskets recede across reflective tidal flats, with a small aluminum work skiff and another farmer softly out of focus. Cold blue dawn atmosphere cut by a low band of coral sunrise, wet surfaces sparkling, faint sea mist, authentic mud and salt residue, practical documentary realism elevated with precise advertising lighting. Square composition, close environmental portrait, eye-level 50mm perspective, shallow depth of field, crisp product materials and controls, believable scale, refined teal, ivory, rust-orange and silver palette, calm purposeful mood, generous breathing room around the device. Finished standalone photograph, no typography, no logo, no border, no mockup.",
"negativePrompt": "extra fingers, malformed hands, duplicated device, floating object, oversized product, unreadable labels, brand marks, prominent text, futuristic holograms, sterile studio background, fantasy scenery, excessive blur, plastic-looking water, oversaturated colors, illustration, CGI render",
"width": 1024,
"height": 1024
})
asyncio.run(main())curl https://api.runware.ai/v1 \
-H "Authorization: Bearer $RUNWARE_API_KEY" \
-H "Content-Type: application/json" \
-d '[
{
"taskType": "imageInference",
"taskUUID": "8e8da38a-44ff-4734-b341-f26fef6a76b0",
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "High-end commercial product lifestyle photograph for a marine field-instrument campaign. On a working oyster farm at low tide, a shellfish farmer in teal waterproof bib overalls and textured orange rubber gloves uses a compact handheld water-quality spectrometer. Make the unbranded instrument the clear hero: a rugged matte ivory rectangular body with rounded corners, dark sensor window, one cobalt-blue control dial, small recessed display showing only simple colored measurement bars, and a black wrist tether. The farmer holds the device prominently in the lower-center foreground just above a shallow stainless sampling cup filled with seawater; anatomically correct hands and a natural working grip. Behind it, orderly oyster baskets recede across reflective tidal flats, with a small aluminum work skiff and another farmer softly out of focus. Cold blue dawn atmosphere cut by a low band of coral sunrise, wet surfaces sparkling, faint sea mist, authentic mud and salt residue, practical documentary realism elevated with precise advertising lighting. Square composition, close environmental portrait, eye-level 50mm perspective, shallow depth of field, crisp product materials and controls, believable scale, refined teal, ivory, rust-orange and silver palette, calm purposeful mood, generous breathing room around the device. Finished standalone photograph, no typography, no logo, no border, no mockup.",
"negativePrompt": "extra fingers, malformed hands, duplicated device, floating object, oversized product, unreadable labels, brand marks, prominent text, futuristic holograms, sterile studio background, fantasy scenery, excessive blur, plastic-looking water, oversaturated colors, illustration, CGI render",
"width": 1024,
"height": 1024
}
]'runware run bfl:flux@3-image-klein-base \
positivePrompt="High-end commercial product lifestyle photograph for a marine field-instrument campaign. On a working oyster farm at low tide, a shellfish farmer in teal waterproof bib overalls and textured orange rubber gloves uses a compact handheld water-quality spectrometer. Make the unbranded instrument the clear hero: a rugged matte ivory rectangular body with rounded corners, dark sensor window, one cobalt-blue control dial, small recessed display showing only simple colored measurement bars, and a black wrist tether. The farmer holds the device prominently in the lower-center foreground just above a shallow stainless sampling cup filled with seawater; anatomically correct hands and a natural working grip. Behind it, orderly oyster baskets recede across reflective tidal flats, with a small aluminum work skiff and another farmer softly out of focus. Cold blue dawn atmosphere cut by a low band of coral sunrise, wet surfaces sparkling, faint sea mist, authentic mud and salt residue, practical documentary realism elevated with precise advertising lighting. Square composition, close environmental portrait, eye-level 50mm perspective, shallow depth of field, crisp product materials and controls, believable scale, refined teal, ivory, rust-orange and silver palette, calm purposeful mood, generous breathing room around the device. Finished standalone photograph, no typography, no logo, no border, no mockup." \
negativePrompt="extra fingers, malformed hands, duplicated device, floating object, oversized product, unreadable labels, brand marks, prominent text, futuristic holograms, sterile studio background, fantasy scenery, excessive blur, plastic-looking water, oversaturated colors, illustration, CGI render" \
width=1024 \
height=1024{
"taskType": "imageInference",
"taskUUID": "8e8da38a-44ff-4734-b341-f26fef6a76b0",
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "High-end commercial product lifestyle photograph for a marine field-instrument campaign. On a working oyster farm at low tide, a shellfish farmer in teal waterproof bib overalls and textured orange rubber gloves uses a compact handheld water-quality spectrometer. Make the unbranded instrument the clear hero: a rugged matte ivory rectangular body with rounded corners, dark sensor window, one cobalt-blue control dial, small recessed display showing only simple colored measurement bars, and a black wrist tether. The farmer holds the device prominently in the lower-center foreground just above a shallow stainless sampling cup filled with seawater; anatomically correct hands and a natural working grip. Behind it, orderly oyster baskets recede across reflective tidal flats, with a small aluminum work skiff and another farmer softly out of focus. Cold blue dawn atmosphere cut by a low band of coral sunrise, wet surfaces sparkling, faint sea mist, authentic mud and salt residue, practical documentary realism elevated with precise advertising lighting. Square composition, close environmental portrait, eye-level 50mm perspective, shallow depth of field, crisp product materials and controls, believable scale, refined teal, ivory, rust-orange and silver palette, calm purposeful mood, generous breathing room around the device. Finished standalone photograph, no typography, no logo, no border, no mockup.",
"negativePrompt": "extra fingers, malformed hands, duplicated device, floating object, oversized product, unreadable labels, brand marks, prominent text, futuristic holograms, sterile studio background, fantasy scenery, excessive blur, plastic-looking water, oversaturated colors, illustration, CGI render",
"width": 1024,
"height": 1024
}Response
{
"taskType": "imageInference",
"taskUUID": "8e8da38a-44ff-4734-b341-f26fef6a76b0",
"imageUUID": "51a7e405-c50e-4743-baad-484d7bf05c26",
"imageURL": "https://im.runware.ai/image/os/a09dlim3/ws/3/ii/51a7e405-c50e-4743-baad-484d7bf05c26.jpg",
"seed": 903503204,
"cost": 0.0238
}reference-to-image
Volcanic Observatory Director Portrait$0.0685~28s
Create a finished vertical professional editorial portrait using both references. Preserve the exact facial identity, age, natural skin texture, short salt-and-pepper hairstyle, eye shape, and distinctive smile lines of the woman in reference image 1. Portray her as the director of a national volcanic observatory, photographed for an institutional annual report and international press profile. Place her within the observatory environment and adopt the sophisticated slate-blue, graphite, and warm-amber visual language of reference image 2. Frame her from mid-torso upward in a confident three-quarter stance, shoulders relaxed, body turned slightly away while her eyes meet the camera. Her expression is calm, incisive, and quietly reassuring rather than smiling broadly. Dress her in a beautifully tailored deep-charcoal collarless technical blazer over a matte rust-colored crew-neck top; understated and credible for a senior field scientist, with no badge, logo, jewelry, or safety costume. Keep the clothing realistic and impeccably fitted. Use the distant volcanic ridge through the window as subtle environmental context, softly out of focus and positioned behind one shoulder without appearing dramatic or dangerous. Include only restrained hints of the control room: a blurred aluminum instrument cabinet and a small amber practical light. No readable monitors or interface graphics. Light her face with a large soft key light from camera left, gentle cool window fill, and a faint warm edge light motivated by the room. Maintain dimensional but flattering facial modeling, accurate catchlights, realistic pores, fine hair detail, and natural color. Premium institutional portrait photography, contemporary science editorial art direction, 85mm portrait-lens character, shallow depth of field, crisp focus on both eyes, subtle analog tonal roll-off, muted slate blue and graphite background with one rust accent, composed negative space, dignified and authoritative mood. The result must look like a commissioned photograph, not a composite or illustration. No lettering, captions, logos, borders, UI, or watermark.
import { createClient } from '@runware/sdk'
const client = await createClient({ apiKey: process.env.RUNWARE_API_KEY })
await client.connect()
const [result] = await client.run({
model: 'bfl:flux@3-image-klein-base',
positivePrompt: 'Create a finished vertical professional editorial portrait using both references. Preserve the exact facial identity, age, natural skin texture, short salt-and-pepper hairstyle, eye shape, and distinctive smile lines of the woman in reference image 1. Portray her as the director of a national volcanic observatory, photographed for an institutional annual report and international press profile. Place her within the observatory environment and adopt the sophisticated slate-blue, graphite, and warm-amber visual language of reference image 2.\n\nFrame her from mid-torso upward in a confident three-quarter stance, shoulders relaxed, body turned slightly away while her eyes meet the camera. Her expression is calm, incisive, and quietly reassuring rather than smiling broadly. Dress her in a beautifully tailored deep-charcoal collarless technical blazer over a matte rust-colored crew-neck top; understated and credible for a senior field scientist, with no badge, logo, jewelry, or safety costume. Keep the clothing realistic and impeccably fitted.\n\nUse the distant volcanic ridge through the window as subtle environmental context, softly out of focus and positioned behind one shoulder without appearing dramatic or dangerous. Include only restrained hints of the control room: a blurred aluminum instrument cabinet and a small amber practical light. No readable monitors or interface graphics. Light her face with a large soft key light from camera left, gentle cool window fill, and a faint warm edge light motivated by the room. Maintain dimensional but flattering facial modeling, accurate catchlights, realistic pores, fine hair detail, and natural color.\n\nPremium institutional portrait photography, contemporary science editorial art direction, 85mm portrait-lens character, shallow depth of field, crisp focus on both eyes, subtle analog tonal roll-off, muted slate blue and graphite background with one rust accent, composed negative space, dignified and authoritative mood. The result must look like a commissioned photograph, not a composite or illustration. No lettering, captions, logos, borders, UI, or watermark.',
negativePrompt: 'different person, altered facial structure, younger appearance, beauty retouching, plastic skin, exaggerated smile, glamour makeup, fashion pose, lab coat, hard hat, respirator, disaster scene, erupting lava, smoke emergency, science-fiction control room, neon lighting, readable screens, text, logo, watermark, extra people, distorted hands, asymmetrical eyes, soft eyes, oversharpening, HDR',
width: 1024,
height: 1280,
inputs: {
referenceImages: [
'https://assets.runware.ai/assets/inputs/94e880d1-cc07-4a4a-abe5-534b850b3dbe.jpg',
'https://assets.runware.ai/assets/inputs/4d1e1515-5d65-4da2-a596-0eb5c0a8d9b0.jpg'
]
}
})import asyncio
import os
from runware import Runware
async def main():
async with Runware(api_key=os.environ["RUNWARE_API_KEY"]) as client:
results = await client.run({
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "Create a finished vertical professional editorial portrait using both references. Preserve the exact facial identity, age, natural skin texture, short salt-and-pepper hairstyle, eye shape, and distinctive smile lines of the woman in reference image 1. Portray her as the director of a national volcanic observatory, photographed for an institutional annual report and international press profile. Place her within the observatory environment and adopt the sophisticated slate-blue, graphite, and warm-amber visual language of reference image 2.\n\nFrame her from mid-torso upward in a confident three-quarter stance, shoulders relaxed, body turned slightly away while her eyes meet the camera. Her expression is calm, incisive, and quietly reassuring rather than smiling broadly. Dress her in a beautifully tailored deep-charcoal collarless technical blazer over a matte rust-colored crew-neck top; understated and credible for a senior field scientist, with no badge, logo, jewelry, or safety costume. Keep the clothing realistic and impeccably fitted.\n\nUse the distant volcanic ridge through the window as subtle environmental context, softly out of focus and positioned behind one shoulder without appearing dramatic or dangerous. Include only restrained hints of the control room: a blurred aluminum instrument cabinet and a small amber practical light. No readable monitors or interface graphics. Light her face with a large soft key light from camera left, gentle cool window fill, and a faint warm edge light motivated by the room. Maintain dimensional but flattering facial modeling, accurate catchlights, realistic pores, fine hair detail, and natural color.\n\nPremium institutional portrait photography, contemporary science editorial art direction, 85mm portrait-lens character, shallow depth of field, crisp focus on both eyes, subtle analog tonal roll-off, muted slate blue and graphite background with one rust accent, composed negative space, dignified and authoritative mood. The result must look like a commissioned photograph, not a composite or illustration. No lettering, captions, logos, borders, UI, or watermark.",
"negativePrompt": "different person, altered facial structure, younger appearance, beauty retouching, plastic skin, exaggerated smile, glamour makeup, fashion pose, lab coat, hard hat, respirator, disaster scene, erupting lava, smoke emergency, science-fiction control room, neon lighting, readable screens, text, logo, watermark, extra people, distorted hands, asymmetrical eyes, soft eyes, oversharpening, HDR",
"width": 1024,
"height": 1280,
"inputs": {
"referenceImages": [
"https://assets.runware.ai/assets/inputs/94e880d1-cc07-4a4a-abe5-534b850b3dbe.jpg",
"https://assets.runware.ai/assets/inputs/4d1e1515-5d65-4da2-a596-0eb5c0a8d9b0.jpg"
]
}
})
asyncio.run(main())curl https://api.runware.ai/v1 \
-H "Authorization: Bearer $RUNWARE_API_KEY" \
-H "Content-Type: application/json" \
-d '[
{
"taskType": "imageInference",
"taskUUID": "fc3516c7-d1fd-4e9f-a481-cfbfe8929ed4",
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "Create a finished vertical professional editorial portrait using both references. Preserve the exact facial identity, age, natural skin texture, short salt-and-pepper hairstyle, eye shape, and distinctive smile lines of the woman in reference image 1. Portray her as the director of a national volcanic observatory, photographed for an institutional annual report and international press profile. Place her within the observatory environment and adopt the sophisticated slate-blue, graphite, and warm-amber visual language of reference image 2.\n\nFrame her from mid-torso upward in a confident three-quarter stance, shoulders relaxed, body turned slightly away while her eyes meet the camera. Her expression is calm, incisive, and quietly reassuring rather than smiling broadly. Dress her in a beautifully tailored deep-charcoal collarless technical blazer over a matte rust-colored crew-neck top; understated and credible for a senior field scientist, with no badge, logo, jewelry, or safety costume. Keep the clothing realistic and impeccably fitted.\n\nUse the distant volcanic ridge through the window as subtle environmental context, softly out of focus and positioned behind one shoulder without appearing dramatic or dangerous. Include only restrained hints of the control room: a blurred aluminum instrument cabinet and a small amber practical light. No readable monitors or interface graphics. Light her face with a large soft key light from camera left, gentle cool window fill, and a faint warm edge light motivated by the room. Maintain dimensional but flattering facial modeling, accurate catchlights, realistic pores, fine hair detail, and natural color.\n\nPremium institutional portrait photography, contemporary science editorial art direction, 85mm portrait-lens character, shallow depth of field, crisp focus on both eyes, subtle analog tonal roll-off, muted slate blue and graphite background with one rust accent, composed negative space, dignified and authoritative mood. The result must look like a commissioned photograph, not a composite or illustration. No lettering, captions, logos, borders, UI, or watermark.",
"negativePrompt": "different person, altered facial structure, younger appearance, beauty retouching, plastic skin, exaggerated smile, glamour makeup, fashion pose, lab coat, hard hat, respirator, disaster scene, erupting lava, smoke emergency, science-fiction control room, neon lighting, readable screens, text, logo, watermark, extra people, distorted hands, asymmetrical eyes, soft eyes, oversharpening, HDR",
"width": 1024,
"height": 1280,
"inputs": {
"referenceImages": [
"https://assets.runware.ai/assets/inputs/94e880d1-cc07-4a4a-abe5-534b850b3dbe.jpg",
"https://assets.runware.ai/assets/inputs/4d1e1515-5d65-4da2-a596-0eb5c0a8d9b0.jpg"
]
}
}
]'runware run bfl:flux@3-image-klein-base \
positivePrompt="Create a finished vertical professional editorial portrait using both references. Preserve the exact facial identity, age, natural skin texture, short salt-and-pepper hairstyle, eye shape, and distinctive smile lines of the woman in reference image 1. Portray her as the director of a national volcanic observatory, photographed for an institutional annual report and international press profile. Place her within the observatory environment and adopt the sophisticated slate-blue, graphite, and warm-amber visual language of reference image 2.
Frame her from mid-torso upward in a confident three-quarter stance, shoulders relaxed, body turned slightly away while her eyes meet the camera. Her expression is calm, incisive, and quietly reassuring rather than smiling broadly. Dress her in a beautifully tailored deep-charcoal collarless technical blazer over a matte rust-colored crew-neck top; understated and credible for a senior field scientist, with no badge, logo, jewelry, or safety costume. Keep the clothing realistic and impeccably fitted.
Use the distant volcanic ridge through the window as subtle environmental context, softly out of focus and positioned behind one shoulder without appearing dramatic or dangerous. Include only restrained hints of the control room: a blurred aluminum instrument cabinet and a small amber practical light. No readable monitors or interface graphics. Light her face with a large soft key light from camera left, gentle cool window fill, and a faint warm edge light motivated by the room. Maintain dimensional but flattering facial modeling, accurate catchlights, realistic pores, fine hair detail, and natural color.
Premium institutional portrait photography, contemporary science editorial art direction, 85mm portrait-lens character, shallow depth of field, crisp focus on both eyes, subtle analog tonal roll-off, muted slate blue and graphite background with one rust accent, composed negative space, dignified and authoritative mood. The result must look like a commissioned photograph, not a composite or illustration. No lettering, captions, logos, borders, UI, or watermark." \
negativePrompt="different person, altered facial structure, younger appearance, beauty retouching, plastic skin, exaggerated smile, glamour makeup, fashion pose, lab coat, hard hat, respirator, disaster scene, erupting lava, smoke emergency, science-fiction control room, neon lighting, readable screens, text, logo, watermark, extra people, distorted hands, asymmetrical eyes, soft eyes, oversharpening, HDR" \
width=1024 \
height=1280 \
inputs.referenceImages.0=https://assets.runware.ai/assets/inputs/94e880d1-cc07-4a4a-abe5-534b850b3dbe.jpg \
inputs.referenceImages.1=https://assets.runware.ai/assets/inputs/4d1e1515-5d65-4da2-a596-0eb5c0a8d9b0.jpg{
"taskType": "imageInference",
"taskUUID": "fc3516c7-d1fd-4e9f-a481-cfbfe8929ed4",
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "Create a finished vertical professional editorial portrait using both references. Preserve the exact facial identity, age, natural skin texture, short salt-and-pepper hairstyle, eye shape, and distinctive smile lines of the woman in reference image 1. Portray her as the director of a national volcanic observatory, photographed for an institutional annual report and international press profile. Place her within the observatory environment and adopt the sophisticated slate-blue, graphite, and warm-amber visual language of reference image 2.\n\nFrame her from mid-torso upward in a confident three-quarter stance, shoulders relaxed, body turned slightly away while her eyes meet the camera. Her expression is calm, incisive, and quietly reassuring rather than smiling broadly. Dress her in a beautifully tailored deep-charcoal collarless technical blazer over a matte rust-colored crew-neck top; understated and credible for a senior field scientist, with no badge, logo, jewelry, or safety costume. Keep the clothing realistic and impeccably fitted.\n\nUse the distant volcanic ridge through the window as subtle environmental context, softly out of focus and positioned behind one shoulder without appearing dramatic or dangerous. Include only restrained hints of the control room: a blurred aluminum instrument cabinet and a small amber practical light. No readable monitors or interface graphics. Light her face with a large soft key light from camera left, gentle cool window fill, and a faint warm edge light motivated by the room. Maintain dimensional but flattering facial modeling, accurate catchlights, realistic pores, fine hair detail, and natural color.\n\nPremium institutional portrait photography, contemporary science editorial art direction, 85mm portrait-lens character, shallow depth of field, crisp focus on both eyes, subtle analog tonal roll-off, muted slate blue and graphite background with one rust accent, composed negative space, dignified and authoritative mood. The result must look like a commissioned photograph, not a composite or illustration. No lettering, captions, logos, borders, UI, or watermark.",
"negativePrompt": "different person, altered facial structure, younger appearance, beauty retouching, plastic skin, exaggerated smile, glamour makeup, fashion pose, lab coat, hard hat, respirator, disaster scene, erupting lava, smoke emergency, science-fiction control room, neon lighting, readable screens, text, logo, watermark, extra people, distorted hands, asymmetrical eyes, soft eyes, oversharpening, HDR",
"width": 1024,
"height": 1280,
"inputs": {
"referenceImages": [
"https://assets.runware.ai/assets/inputs/94e880d1-cc07-4a4a-abe5-534b850b3dbe.jpg",
"https://assets.runware.ai/assets/inputs/4d1e1515-5d65-4da2-a596-0eb5c0a8d9b0.jpg"
]
}
}Response
{
"taskType": "imageInference",
"taskUUID": "fc3516c7-d1fd-4e9f-a481-cfbfe8929ed4",
"imageUUID": "b6268655-c1d2-440c-97f5-89e7cf90f69e",
"imageURL": "https://im.runware.ai/image/os/a05d22/ws/3/ii/b6268655-c1d2-440c-97f5-89e7cf90f69e.jpg",
"seed": 263954370,
"cost": 0.0685
}reference-bounding-boxes
Dark-Sky Retrofit Social Media Post$0.0536~21s
Create a finished 4:5 social media campaign image for a municipal dark-sky streetlight retrofit program. Move <element> into the right side of the composition while preserving the owl's recognizable face, pose, proportions, cream-and-copper feather pattern, feet, and photographic identity from the reference. Place the owl naturally on the curved arm of a modern shielded streetlight in the right-side target region. Build a bold editorial photo-composite around it: an evening neighborhood seen from a slightly low angle, deep indigo sky, subtle silhouettes of apartment roofs and leafy street trees, and a restrained field of small stars. The shielded fixture casts a precise warm amber pool downward onto the pavement without spilling light into the sky. On the left, show a faint hazy glow from distant unshielded lighting fading into the cleaner dark sky toward the owl, creating an immediate visual comparison without a literal split screen. Sophisticated public-interest campaign art direction, cinematic realism combined with crisp screen-printed grain, limited palette of midnight blue, warm amber, chalk cream, and muted coral, strong graphic shapes, confident negative space, accessible and hopeful mood. Keep the owl as the sharp visual hero and integrate it convincingly with matching rim light and contact shadow. Standalone image with no words, logos, signage, borders, interface elements, or buttons.
import { createClient } from '@runware/sdk'
const client = await createClient({ apiKey: process.env.RUNWARE_API_KEY })
await client.connect()
const [result] = await client.run({
model: 'bfl:flux@3-image-klein-base',
positivePrompt: 'Create a finished 4:5 social media campaign image for a municipal dark-sky streetlight retrofit program. Move <element> into the right side of the composition while preserving the owl\'s recognizable face, pose, proportions, cream-and-copper feather pattern, feet, and photographic identity from the reference. Place the owl naturally on the curved arm of a modern shielded streetlight in the right-side target region. Build a bold editorial photo-composite around it: an evening neighborhood seen from a slightly low angle, deep indigo sky, subtle silhouettes of apartment roofs and leafy street trees, and a restrained field of small stars. The shielded fixture casts a precise warm amber pool downward onto the pavement without spilling light into the sky. On the left, show a faint hazy glow from distant unshielded lighting fading into the cleaner dark sky toward the owl, creating an immediate visual comparison without a literal split screen. Sophisticated public-interest campaign art direction, cinematic realism combined with crisp screen-printed grain, limited palette of midnight blue, warm amber, chalk cream, and muted coral, strong graphic shapes, confident negative space, accessible and hopeful mood. Keep the owl as the sharp visual hero and integrate it convincingly with matching rim light and contact shadow. Standalone image with no words, logos, signage, borders, interface elements, or buttons.',
negativePrompt: 'extra owls, duplicate animal, altered facial disk, deformed wings, missing feet, floating owl, oversized streetlight, text, letters, logo, watermark, app interface, photorealistic daytime sky, fantasy elements, neon rainbow palette, cluttered background',
width: 1024,
height: 1280,
settings: {
boundingBoxes: [
{
id: 'element',
description: 'primary subject from reference image 0',
referenceIndex: 0,
sourceBox: [
150,
100,
850,
500
],
targetBox: [
150,
500,
850,
900
]
}
]
},
inputs: {
referenceImages: [
'https://assets.runware.ai/assets/inputs/112380fa-5ea4-4b30-b3dd-c7fe77ca436a.jpg'
]
}
})import asyncio
import os
from runware import Runware
async def main():
async with Runware(api_key=os.environ["RUNWARE_API_KEY"]) as client:
results = await client.run({
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "Create a finished 4:5 social media campaign image for a municipal dark-sky streetlight retrofit program. Move <element> into the right side of the composition while preserving the owl's recognizable face, pose, proportions, cream-and-copper feather pattern, feet, and photographic identity from the reference. Place the owl naturally on the curved arm of a modern shielded streetlight in the right-side target region. Build a bold editorial photo-composite around it: an evening neighborhood seen from a slightly low angle, deep indigo sky, subtle silhouettes of apartment roofs and leafy street trees, and a restrained field of small stars. The shielded fixture casts a precise warm amber pool downward onto the pavement without spilling light into the sky. On the left, show a faint hazy glow from distant unshielded lighting fading into the cleaner dark sky toward the owl, creating an immediate visual comparison without a literal split screen. Sophisticated public-interest campaign art direction, cinematic realism combined with crisp screen-printed grain, limited palette of midnight blue, warm amber, chalk cream, and muted coral, strong graphic shapes, confident negative space, accessible and hopeful mood. Keep the owl as the sharp visual hero and integrate it convincingly with matching rim light and contact shadow. Standalone image with no words, logos, signage, borders, interface elements, or buttons.",
"negativePrompt": "extra owls, duplicate animal, altered facial disk, deformed wings, missing feet, floating owl, oversized streetlight, text, letters, logo, watermark, app interface, photorealistic daytime sky, fantasy elements, neon rainbow palette, cluttered background",
"width": 1024,
"height": 1280,
"settings": {
"boundingBoxes": [
{
"id": "element",
"description": "primary subject from reference image 0",
"referenceIndex": 0,
"sourceBox": [
150,
100,
850,
500
],
"targetBox": [
150,
500,
850,
900
]
}
]
},
"inputs": {
"referenceImages": [
"https://assets.runware.ai/assets/inputs/112380fa-5ea4-4b30-b3dd-c7fe77ca436a.jpg"
]
}
})
asyncio.run(main())curl https://api.runware.ai/v1 \
-H "Authorization: Bearer $RUNWARE_API_KEY" \
-H "Content-Type: application/json" \
-d '[
{
"taskType": "imageInference",
"taskUUID": "c032d001-f866-4a08-92f5-1e88c6ccb110",
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "Create a finished 4:5 social media campaign image for a municipal dark-sky streetlight retrofit program. Move <element> into the right side of the composition while preserving the owl's recognizable face, pose, proportions, cream-and-copper feather pattern, feet, and photographic identity from the reference. Place the owl naturally on the curved arm of a modern shielded streetlight in the right-side target region. Build a bold editorial photo-composite around it: an evening neighborhood seen from a slightly low angle, deep indigo sky, subtle silhouettes of apartment roofs and leafy street trees, and a restrained field of small stars. The shielded fixture casts a precise warm amber pool downward onto the pavement without spilling light into the sky. On the left, show a faint hazy glow from distant unshielded lighting fading into the cleaner dark sky toward the owl, creating an immediate visual comparison without a literal split screen. Sophisticated public-interest campaign art direction, cinematic realism combined with crisp screen-printed grain, limited palette of midnight blue, warm amber, chalk cream, and muted coral, strong graphic shapes, confident negative space, accessible and hopeful mood. Keep the owl as the sharp visual hero and integrate it convincingly with matching rim light and contact shadow. Standalone image with no words, logos, signage, borders, interface elements, or buttons.",
"negativePrompt": "extra owls, duplicate animal, altered facial disk, deformed wings, missing feet, floating owl, oversized streetlight, text, letters, logo, watermark, app interface, photorealistic daytime sky, fantasy elements, neon rainbow palette, cluttered background",
"width": 1024,
"height": 1280,
"settings": {
"boundingBoxes": [
{
"id": "element",
"description": "primary subject from reference image 0",
"referenceIndex": 0,
"sourceBox": [
150,
100,
850,
500
],
"targetBox": [
150,
500,
850,
900
]
}
]
},
"inputs": {
"referenceImages": [
"https://assets.runware.ai/assets/inputs/112380fa-5ea4-4b30-b3dd-c7fe77ca436a.jpg"
]
}
}
]'runware run bfl:flux@3-image-klein-base \
positivePrompt="Create a finished 4:5 social media campaign image for a municipal dark-sky streetlight retrofit program. Move <element> into the right side of the composition while preserving the owl's recognizable face, pose, proportions, cream-and-copper feather pattern, feet, and photographic identity from the reference. Place the owl naturally on the curved arm of a modern shielded streetlight in the right-side target region. Build a bold editorial photo-composite around it: an evening neighborhood seen from a slightly low angle, deep indigo sky, subtle silhouettes of apartment roofs and leafy street trees, and a restrained field of small stars. The shielded fixture casts a precise warm amber pool downward onto the pavement without spilling light into the sky. On the left, show a faint hazy glow from distant unshielded lighting fading into the cleaner dark sky toward the owl, creating an immediate visual comparison without a literal split screen. Sophisticated public-interest campaign art direction, cinematic realism combined with crisp screen-printed grain, limited palette of midnight blue, warm amber, chalk cream, and muted coral, strong graphic shapes, confident negative space, accessible and hopeful mood. Keep the owl as the sharp visual hero and integrate it convincingly with matching rim light and contact shadow. Standalone image with no words, logos, signage, borders, interface elements, or buttons." \
negativePrompt="extra owls, duplicate animal, altered facial disk, deformed wings, missing feet, floating owl, oversized streetlight, text, letters, logo, watermark, app interface, photorealistic daytime sky, fantasy elements, neon rainbow palette, cluttered background" \
width=1024 \
height=1280 \
settings.boundingBoxes.0.id=element \
settings.boundingBoxes.0.description="primary subject from reference image 0" \
settings.boundingBoxes.0.referenceIndex=0 \
settings.boundingBoxes.0.sourceBox.0=150 \
settings.boundingBoxes.0.sourceBox.1=100 \
settings.boundingBoxes.0.sourceBox.2=850 \
settings.boundingBoxes.0.sourceBox.3=500 \
settings.boundingBoxes.0.targetBox.0=150 \
settings.boundingBoxes.0.targetBox.1=500 \
settings.boundingBoxes.0.targetBox.2=850 \
settings.boundingBoxes.0.targetBox.3=900 \
inputs.referenceImages.0=https://assets.runware.ai/assets/inputs/112380fa-5ea4-4b30-b3dd-c7fe77ca436a.jpg{
"taskType": "imageInference",
"taskUUID": "c032d001-f866-4a08-92f5-1e88c6ccb110",
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "Create a finished 4:5 social media campaign image for a municipal dark-sky streetlight retrofit program. Move <element> into the right side of the composition while preserving the owl's recognizable face, pose, proportions, cream-and-copper feather pattern, feet, and photographic identity from the reference. Place the owl naturally on the curved arm of a modern shielded streetlight in the right-side target region. Build a bold editorial photo-composite around it: an evening neighborhood seen from a slightly low angle, deep indigo sky, subtle silhouettes of apartment roofs and leafy street trees, and a restrained field of small stars. The shielded fixture casts a precise warm amber pool downward onto the pavement without spilling light into the sky. On the left, show a faint hazy glow from distant unshielded lighting fading into the cleaner dark sky toward the owl, creating an immediate visual comparison without a literal split screen. Sophisticated public-interest campaign art direction, cinematic realism combined with crisp screen-printed grain, limited palette of midnight blue, warm amber, chalk cream, and muted coral, strong graphic shapes, confident negative space, accessible and hopeful mood. Keep the owl as the sharp visual hero and integrate it convincingly with matching rim light and contact shadow. Standalone image with no words, logos, signage, borders, interface elements, or buttons.",
"negativePrompt": "extra owls, duplicate animal, altered facial disk, deformed wings, missing feet, floating owl, oversized streetlight, text, letters, logo, watermark, app interface, photorealistic daytime sky, fantasy elements, neon rainbow palette, cluttered background",
"width": 1024,
"height": 1280,
"settings": {
"boundingBoxes": [
{
"id": "element",
"description": "primary subject from reference image 0",
"referenceIndex": 0,
"sourceBox": [
150,
100,
850,
500
],
"targetBox": [
150,
500,
850,
900
]
}
]
},
"inputs": {
"referenceImages": [
"https://assets.runware.ai/assets/inputs/112380fa-5ea4-4b30-b3dd-c7fe77ca436a.jpg"
]
}
}Response
{
"taskType": "imageInference",
"taskUUID": "c032d001-f866-4a08-92f5-1e88c6ccb110",
"imageUUID": "fac1eadb-a3c7-474f-b5ac-d777ab3bd1ae",
"imageURL": "https://im.runware.ai/image/os/a02d21/ws/3/ii/fac1eadb-a3c7-474f-b5ac-d777ab3bd1ae.jpg",
"seed": 470797256,
"cost": 0.0536
}bounding-boxes
Subsea Cable Recruitment Key Art$0.0238~9s
Finished landscape anime key art for a global telecommunications recruitment campaign. The <subject> is a full-body female subsea cable technician standing securely on the right side of the composition, wearing a practical white atmospheric diving suit with safety-orange shoulder panels, articulated joints, utility harness, reinforced boots, and a clear domed helmet; her calm face is visible through the visor, one hand holds a compact diagnostic scanner, and the other steadies a thick fiber-optic cable. Keep her entire silhouette inside the designated region and make her the unmistakable main character. Surround her with a clearly organized deep-ocean maintenance site: a dark cable trench runs diagonally from the lower left toward her boots, bright cyan inspection nodes punctuate the cable, a small unmanned repair submersible hovers in the open water at left, and a rectangular service gantry behind the technician visually frames her controlled placement. Distant hydrothermal rock formations and tiny drifting particles establish immense depth without clutter. Premium contemporary anime illustration, crisp confident linework, believable industrial engineering, cel-shaded forms with softly painted environmental depth, cobalt and midnight-blue ocean, electric-cyan work lights, restrained safety-orange accents, dramatic lateral beams, subtle bioluminescence, focused and quietly heroic mood. Wide cinematic composition with generous negative space on the left, strong depth layers, polished campaign-ready finish, no lettering, no logos, no interface, no border.
import { createClient } from '@runware/sdk'
const client = await createClient({ apiKey: process.env.RUNWARE_API_KEY })
await client.connect()
const [result] = await client.run({
model: 'bfl:flux@3-image-klein-base',
positivePrompt: 'Finished landscape anime key art for a global telecommunications recruitment campaign. The <subject> is a full-body female subsea cable technician standing securely on the right side of the composition, wearing a practical white atmospheric diving suit with safety-orange shoulder panels, articulated joints, utility harness, reinforced boots, and a clear domed helmet; her calm face is visible through the visor, one hand holds a compact diagnostic scanner, and the other steadies a thick fiber-optic cable. Keep her entire silhouette inside the designated region and make her the unmistakable main character. Surround her with a clearly organized deep-ocean maintenance site: a dark cable trench runs diagonally from the lower left toward her boots, bright cyan inspection nodes punctuate the cable, a small unmanned repair submersible hovers in the open water at left, and a rectangular service gantry behind the technician visually frames her controlled placement. Distant hydrothermal rock formations and tiny drifting particles establish immense depth without clutter. Premium contemporary anime illustration, crisp confident linework, believable industrial engineering, cel-shaded forms with softly painted environmental depth, cobalt and midnight-blue ocean, electric-cyan work lights, restrained safety-orange accents, dramatic lateral beams, subtle bioluminescence, focused and quietly heroic mood. Wide cinematic composition with generous negative space on the left, strong depth layers, polished campaign-ready finish, no lettering, no logos, no interface, no border.',
negativePrompt: 'photorealism, chibi proportions, fantasy armor, exposed skin, casual clothing, extra people, duplicate character, cropped body, malformed hands, tangled unreadable machinery, oversized weapons, monsters, text, typography, logos, watermark, app interface, comic panels',
width: 1280,
height: 768,
settings: {
boundingBoxes: [
{
id: 'subject',
description: 'main subject described in the prompt',
targetBox: [
150,
550,
850,
950
]
}
]
}
})import asyncio
import os
from runware import Runware
async def main():
async with Runware(api_key=os.environ["RUNWARE_API_KEY"]) as client:
results = await client.run({
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "Finished landscape anime key art for a global telecommunications recruitment campaign. The <subject> is a full-body female subsea cable technician standing securely on the right side of the composition, wearing a practical white atmospheric diving suit with safety-orange shoulder panels, articulated joints, utility harness, reinforced boots, and a clear domed helmet; her calm face is visible through the visor, one hand holds a compact diagnostic scanner, and the other steadies a thick fiber-optic cable. Keep her entire silhouette inside the designated region and make her the unmistakable main character. Surround her with a clearly organized deep-ocean maintenance site: a dark cable trench runs diagonally from the lower left toward her boots, bright cyan inspection nodes punctuate the cable, a small unmanned repair submersible hovers in the open water at left, and a rectangular service gantry behind the technician visually frames her controlled placement. Distant hydrothermal rock formations and tiny drifting particles establish immense depth without clutter. Premium contemporary anime illustration, crisp confident linework, believable industrial engineering, cel-shaded forms with softly painted environmental depth, cobalt and midnight-blue ocean, electric-cyan work lights, restrained safety-orange accents, dramatic lateral beams, subtle bioluminescence, focused and quietly heroic mood. Wide cinematic composition with generous negative space on the left, strong depth layers, polished campaign-ready finish, no lettering, no logos, no interface, no border.",
"negativePrompt": "photorealism, chibi proportions, fantasy armor, exposed skin, casual clothing, extra people, duplicate character, cropped body, malformed hands, tangled unreadable machinery, oversized weapons, monsters, text, typography, logos, watermark, app interface, comic panels",
"width": 1280,
"height": 768,
"settings": {
"boundingBoxes": [
{
"id": "subject",
"description": "main subject described in the prompt",
"targetBox": [
150,
550,
850,
950
]
}
]
}
})
asyncio.run(main())curl https://api.runware.ai/v1 \
-H "Authorization: Bearer $RUNWARE_API_KEY" \
-H "Content-Type: application/json" \
-d '[
{
"taskType": "imageInference",
"taskUUID": "abc826c4-b5f2-4a34-bf91-62ffd429bd9e",
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "Finished landscape anime key art for a global telecommunications recruitment campaign. The <subject> is a full-body female subsea cable technician standing securely on the right side of the composition, wearing a practical white atmospheric diving suit with safety-orange shoulder panels, articulated joints, utility harness, reinforced boots, and a clear domed helmet; her calm face is visible through the visor, one hand holds a compact diagnostic scanner, and the other steadies a thick fiber-optic cable. Keep her entire silhouette inside the designated region and make her the unmistakable main character. Surround her with a clearly organized deep-ocean maintenance site: a dark cable trench runs diagonally from the lower left toward her boots, bright cyan inspection nodes punctuate the cable, a small unmanned repair submersible hovers in the open water at left, and a rectangular service gantry behind the technician visually frames her controlled placement. Distant hydrothermal rock formations and tiny drifting particles establish immense depth without clutter. Premium contemporary anime illustration, crisp confident linework, believable industrial engineering, cel-shaded forms with softly painted environmental depth, cobalt and midnight-blue ocean, electric-cyan work lights, restrained safety-orange accents, dramatic lateral beams, subtle bioluminescence, focused and quietly heroic mood. Wide cinematic composition with generous negative space on the left, strong depth layers, polished campaign-ready finish, no lettering, no logos, no interface, no border.",
"negativePrompt": "photorealism, chibi proportions, fantasy armor, exposed skin, casual clothing, extra people, duplicate character, cropped body, malformed hands, tangled unreadable machinery, oversized weapons, monsters, text, typography, logos, watermark, app interface, comic panels",
"width": 1280,
"height": 768,
"settings": {
"boundingBoxes": [
{
"id": "subject",
"description": "main subject described in the prompt",
"targetBox": [
150,
550,
850,
950
]
}
]
}
}
]'runware run bfl:flux@3-image-klein-base \
positivePrompt="Finished landscape anime key art for a global telecommunications recruitment campaign. The <subject> is a full-body female subsea cable technician standing securely on the right side of the composition, wearing a practical white atmospheric diving suit with safety-orange shoulder panels, articulated joints, utility harness, reinforced boots, and a clear domed helmet; her calm face is visible through the visor, one hand holds a compact diagnostic scanner, and the other steadies a thick fiber-optic cable. Keep her entire silhouette inside the designated region and make her the unmistakable main character. Surround her with a clearly organized deep-ocean maintenance site: a dark cable trench runs diagonally from the lower left toward her boots, bright cyan inspection nodes punctuate the cable, a small unmanned repair submersible hovers in the open water at left, and a rectangular service gantry behind the technician visually frames her controlled placement. Distant hydrothermal rock formations and tiny drifting particles establish immense depth without clutter. Premium contemporary anime illustration, crisp confident linework, believable industrial engineering, cel-shaded forms with softly painted environmental depth, cobalt and midnight-blue ocean, electric-cyan work lights, restrained safety-orange accents, dramatic lateral beams, subtle bioluminescence, focused and quietly heroic mood. Wide cinematic composition with generous negative space on the left, strong depth layers, polished campaign-ready finish, no lettering, no logos, no interface, no border." \
negativePrompt="photorealism, chibi proportions, fantasy armor, exposed skin, casual clothing, extra people, duplicate character, cropped body, malformed hands, tangled unreadable machinery, oversized weapons, monsters, text, typography, logos, watermark, app interface, comic panels" \
width=1280 \
height=768 \
settings.boundingBoxes.0.id=subject \
settings.boundingBoxes.0.description="main subject described in the prompt" \
settings.boundingBoxes.0.targetBox.0=150 \
settings.boundingBoxes.0.targetBox.1=550 \
settings.boundingBoxes.0.targetBox.2=850 \
settings.boundingBoxes.0.targetBox.3=950{
"taskType": "imageInference",
"taskUUID": "abc826c4-b5f2-4a34-bf91-62ffd429bd9e",
"model": "bfl:flux@3-image-klein-base",
"positivePrompt": "Finished landscape anime key art for a global telecommunications recruitment campaign. The <subject> is a full-body female subsea cable technician standing securely on the right side of the composition, wearing a practical white atmospheric diving suit with safety-orange shoulder panels, articulated joints, utility harness, reinforced boots, and a clear domed helmet; her calm face is visible through the visor, one hand holds a compact diagnostic scanner, and the other steadies a thick fiber-optic cable. Keep her entire silhouette inside the designated region and make her the unmistakable main character. Surround her with a clearly organized deep-ocean maintenance site: a dark cable trench runs diagonally from the lower left toward her boots, bright cyan inspection nodes punctuate the cable, a small unmanned repair submersible hovers in the open water at left, and a rectangular service gantry behind the technician visually frames her controlled placement. Distant hydrothermal rock formations and tiny drifting particles establish immense depth without clutter. Premium contemporary anime illustration, crisp confident linework, believable industrial engineering, cel-shaded forms with softly painted environmental depth, cobalt and midnight-blue ocean, electric-cyan work lights, restrained safety-orange accents, dramatic lateral beams, subtle bioluminescence, focused and quietly heroic mood. Wide cinematic composition with generous negative space on the left, strong depth layers, polished campaign-ready finish, no lettering, no logos, no interface, no border.",
"negativePrompt": "photorealism, chibi proportions, fantasy armor, exposed skin, casual clothing, extra people, duplicate character, cropped body, malformed hands, tangled unreadable machinery, oversized weapons, monsters, text, typography, logos, watermark, app interface, comic panels",
"width": 1280,
"height": 768,
"settings": {
"boundingBoxes": [
{
"id": "subject",
"description": "main subject described in the prompt",
"targetBox": [
150,
550,
850,
950
]
}
]
}
}Response
{
"taskType": "imageInference",
"taskUUID": "abc826c4-b5f2-4a34-bf91-62ffd429bd9e",
"imageUUID": "a37619b3-8e1e-4e42-a796-b79923a6f836",
"imageURL": "https://im.runware.ai/image/os/a04d20/ws/3/ii/a37619b3-8e1e-4e42-a796-b79923a6f836.jpg",
"seed": 2069985370,
"cost": 0.0238
}