FLUX.2 [klein] 4B
FLUX.2 [klein] 4B is a 4-step distilled image generation and editing model optimized for ultra-low latency inference. It delivers near real-time performance with strong visual quality, enabling interactive workflows and responsive production systems on more constrained hardware.
![FLUX.2 [klein] 4B](https://assets.runware.ai/covers/bfl-flux-2-klein-4b.jpg)
Bioluminescent Desert Observatory Nightscape
A cinematic wide shot of a remote astronomical observatory rising from a bioluminescent desert at midnight, vast dunes dusted with glowing blue mineral veins, sleek modular domes and antenna arrays reflecting starlight, a glass walkway suspended over shallow luminous salt flats, two tiny researchers in elegant cold-weather field suits for scale, sky filled with dense stars, a bright nebula band, and faint aurora ribbons near the horizon, crisp dry air, subtle wind-blown sand trails, luminous cactus-like alien flora scattered in the foreground, color palette of deep indigo, teal, silver, and electric cyan, ultra-detailed, atmospheric perspective, sharp focal clarity, premium concept art, realistic materials, dramatic yet serene mood
{
"taskType": "imageInference",
"taskUUID": "0992ee97-839f-44e8-a170-70527a090cf4",
"model": "runware:400@4",
"positivePrompt": "A cinematic wide shot of a remote astronomical observatory rising from a bioluminescent desert at midnight, vast dunes dusted with glowing blue mineral veins, sleek modular domes and antenna arrays reflecting starlight, a glass walkway suspended over shallow luminous salt flats, two tiny researchers in elegant cold-weather field suits for scale, sky filled with dense stars, a bright nebula band, and faint aurora ribbons near the horizon, crisp dry air, subtle wind-blown sand trails, luminous cactus-like alien flora scattered in the foreground, color palette of deep indigo, teal, silver, and electric cyan, ultra-detailed, atmospheric perspective, sharp focal clarity, premium concept art, realistic materials, dramatic yet serene mood",
"negativePrompt": "blurry, low detail, noisy, oversaturated, distorted architecture, extra limbs, duplicate people, text, watermark, logo, frame, cropped, out of focus, muddy colors, cartoon, lowres",
"width": 1536,
"height": 864,
"seed": 32039,
"steps": 4,
"CFGScale": 3.5
}{
"taskType": "imageInference",
"taskUUID": "0992ee97-839f-44e8-a170-70527a090cf4",
"imageUUID": "ac6a8b3a-2a6d-400b-8b78-a2d91654b4ea",
"imageURL": "https://im.runware.ai/image/os/a20d05/ws/2/ii/ac6a8b3a-2a6d-400b-8b78-a2d91654b4ea.jpg",
"seed": 32039,
"cost": 0.0006
}Bioluminescent Tidepool Observatory Interior
A retro-futurist coastal observatory built into black volcanic cliffs above a bioluminescent tidepool lagoon at blue hour, vast curved glass walls, brass instruments, polished wood consoles, suspended orrery shaped like seashell spirals, glowing cyan and violet reflections rippling across the interior, a solitary naturalist in a deep teal coat sketching luminous jellyfish drifting below the glass floor, art nouveau marine motifs, cinematic composition, intricate environmental storytelling, ultra-clean forms, soft mist outside, distant lighthouse beam, highly detailed, elegant color harmony, surreal yet believable, premium concept art look
{
"taskType": "imageInference",
"taskUUID": "db4102b6-378a-465e-bdd8-528274811047",
"model": "runware:400@4",
"positivePrompt": "A retro-futurist coastal observatory built into black volcanic cliffs above a bioluminescent tidepool lagoon at blue hour, vast curved glass walls, brass instruments, polished wood consoles, suspended orrery shaped like seashell spirals, glowing cyan and violet reflections rippling across the interior, a solitary naturalist in a deep teal coat sketching luminous jellyfish drifting below the glass floor, art nouveau marine motifs, cinematic composition, intricate environmental storytelling, ultra-clean forms, soft mist outside, distant lighthouse beam, highly detailed, elegant color harmony, surreal yet believable, premium concept art look",
"negativePrompt": "blurry, low resolution, noisy, distorted anatomy, extra limbs, duplicate person, oversaturated, flat lighting, cluttered composition, text, watermark, logo, frame, cropped subject, deformed architecture",
"width": 1536,
"height": 1024,
"seed": 51482,
"steps": 4,
"CFGScale": 3.5
}{
"taskType": "imageInference",
"taskUUID": "db4102b6-378a-465e-bdd8-528274811047",
"imageUUID": "3ba1aac1-57cf-4a7c-91a8-3915cd313e1c",
"imageURL": "https://im.runware.ai/image/os/a18d05/ws/2/ii/3ba1aac1-57cf-4a7c-91a8-3915cd313e1c.jpg",
"seed": 51482,
"cost": 0.0006
}Bioluminescent Desert Bazaar Twilight
A cinematic twilight bazaar in a vast desert of pale violet dunes, glowing bioluminescent lanterns hanging from silk canopies, mirrored pools reflecting a giant crescent moon, merchants in ornate nomadic attire, glass vessels filled with luminous spices, gentle wind lifting embroidered fabrics, a towering fossilized skeleton arch in the background, teal and amber color palette, atmospheric haze, crisp foreground detail, immersive depth, elegant composition, highly detailed, surreal realism
{
"taskType": "imageInference",
"taskUUID": "a04b1e78-e91c-4f50-b5aa-5aaf45787d54",
"model": "runware:400@4",
"positivePrompt": "A cinematic twilight bazaar in a vast desert of pale violet dunes, glowing bioluminescent lanterns hanging from silk canopies, mirrored pools reflecting a giant crescent moon, merchants in ornate nomadic attire, glass vessels filled with luminous spices, gentle wind lifting embroidered fabrics, a towering fossilized skeleton arch in the background, teal and amber color palette, atmospheric haze, crisp foreground detail, immersive depth, elegant composition, highly detailed, surreal realism",
"negativePrompt": "blurry, low detail, flat lighting, oversaturated, distorted anatomy, duplicated people, extra limbs, warped architecture, text, watermark, logo, frame, cropped subject, noisy shadows",
"width": 1024,
"height": 576,
"seed": 53982,
"steps": 4,
"CFGScale": 3.5
}{
"taskType": "imageInference",
"taskUUID": "a04b1e78-e91c-4f50-b5aa-5aaf45787d54",
"imageUUID": "602ff884-6f08-457d-b616-5d1143491e92",
"imageURL": "https://im.runware.ai/image/os/a20d05/ws/2/ii/602ff884-6f08-457d-b616-5d1143491e92.jpg",
"seed": 53982,
"cost": 0.0006
}