--- title: Hunyuan 3D 3.1 Pro | Runware Docs url: https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro description: High-fidelity 3D asset generation with multi-view reconstruction and PBR materials --- # Hunyuan 3D 3.1 Pro Hunyuan 3D 3.1 Pro is a production-grade 3D generation model from Tencent that creates high-fidelity assets from text prompts or images. It uses enhanced 8-view reconstruction for improved spatial accuracy and reduced geometric artifacts, producing clean topology, watertight meshes, and PBR materials suitable for game development, 3D printing, and professional animation workflows. - **ID**: `tencent:hunyuan-3d@3.1-pro` - **Status**: live - **Release Date**: February 10, 2026 - **Capabilities**: Text to 3D, Image to 3D, Checkpoint ## Pricing Pricing is per call starting at $0.225 for geometry, $0.375 for Normal. The add-on are cumulative as they stack on top of the base task price when those parameters are used for $0.150 per add on : MultiViewImages, EnablePBR and FaceCount - **Geometry**: `$0.225` - **Normal**: `$0.375` - **Normal + EnableBPR**: `$0.525` ## Compatibility & Validation Provide exactly one of: `positivePrompt`, `inputs.images`. --- When `settings.generateType` is `Geometry`, `settings.pbr` cannot be used. ## Request Parameters **API Options** Platform-level options for task execution and delivery. ### [taskType](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-tasktype) - **Type**: `string` - **Required**: true - **Value**: `3dInference` Identifier for the type of task being performed ### [taskUUID](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-taskuuid) - **Type**: `string` - **Required**: true - **Format**: `UUID v4` UUID v4 identifier for tracking tasks and matching async responses. Must be unique per task. ### [outputType](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-outputtype) - **Type**: `string` - **Default**: `URL` 3D output type. **Allowed values**: `URL` ### [outputFormat](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-outputformat) - **Type**: `string` - **Default**: `GLB` Specifies the file format of the generated output. The available values depend on the task type and the specific model's capabilities. - \`GLB\`: Binary glTF format for 3D models, including geometry, textures, and PBR materials. **Allowed values**: `GLB` ### [webhookURL](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-webhookurl) - **Type**: `string` - **Format**: `uri` Specifies a webhook URL where JSON responses will be sent via HTTP POST when generation tasks complete. For batch requests with multiple results, each completed item triggers a separate webhook call as it becomes available. **Learn more** (1 resource): - [Webhooks](https://runware.ai/docs/platform/webhooks) (platform) ### [deliveryMethod](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-deliverymethod) - **Type**: `string` - **Default**: `async` Determines how the API delivers task results. **Allowed values**: - `sync` Returns complete results directly in the API response. - `async` Returns an immediate acknowledgment with the task UUID. Poll for results using getResponse. **Learn more** (1 resource): - [Task Polling](https://runware.ai/docs/platform/task-polling) (platform) ### [uploadEndpoint](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-uploadendpoint) - **Type**: `string` - **Format**: `uri` Specifies a URL where the generated content will be automatically uploaded using the HTTP PUT method. The raw binary data of the media file is sent directly as the request body. For secure uploads to cloud storage, use presigned URLs that include temporary authentication credentials. **Common use cases:** - **Cloud storage**: Upload directly to S3 buckets, Google Cloud Storage, or Azure Blob Storage using presigned URLs. - **CDN integration**: Upload to content delivery networks for immediate distribution. ```text // S3 presigned URL for secure upload https://your-bucket.s3.amazonaws.com/generated/content.mp4?X-Amz-Signature=abc123&X-Amz-Expires=3600 // Google Cloud Storage presigned URL https://storage.googleapis.com/your-bucket/content.jpg?X-Goog-Signature=xyz789 // Custom storage endpoint https://storage.example.com/uploads/generated-image.jpg ``` The content data will be sent as the request body to the specified URL when generation is complete. ### [ttl](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-ttl) - **Type**: `integer` - **Min**: `60` Time-to-live (TTL) in seconds for generated content. Only applies when `outputType` is `URL`. ### [includeCost](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-includecost) - **Type**: `boolean` Include task cost in the response. ### [numberResults](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-numberresults) - **Type**: `integer` - **Min**: `1` - **Max**: `4` - **Default**: `1` Number of results to generate. Each result uses a different seed, producing variations of the same parameters. **Inputs** Input resources for the task (images, audio, etc). These must be nested inside the \`inputs\` object. ### [images](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-inputs-images) - **Path**: `inputs.images` - **Type**: `array of strings` Input images (UUID, URL, Data URI, or Base64). Single frontal image, or 8 images for multi-view (1 frontal + 7 angles: left, right, back, top, bottom, left\_front, right\_front). **Core Parameters** Primary parameters that define the task output. ### [model](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-model) - **Type**: `string` - **Required**: true - **Value**: `tencent:hunyuan-3d@3.1-pro` Identifier of the model to use for generation. **Learn more** (3 resources): - [Text To Image: Model Selection](https://runware.ai/docs/learn/text-to-image#model-selection) (learn) - [Image Inpainting: Model Specialized Inpainting Models](https://runware.ai/docs/learn/image-inpainting#model-specialized-inpainting-models) (learn) - [Image Outpainting: Other Critical Parameters](https://runware.ai/docs/learn/image-outpainting#other-critical-parameters) (learn) ### [positivePrompt](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-positiveprompt) - **Type**: `string` - **Min**: `2` - **Max**: `1024` Text prompt describing elements to include in the generated output. **Learn more** (1 resource): - [Prompts](https://runware.ai/docs/learn/prompts) (learn) **Settings** Technical parameters to fine-tune the inference process. These must be nested inside the \`settings\` object. ### [faceCount](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-settings-facecount) - **Path**: `settings.faceCount` - **Type**: `integer` - **Min**: `3000` - **Max**: `1500000` - **Default**: `500000` Number of faces (polygons) in the generated 3D model. ### [generateType](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-settings-generatetype) - **Path**: `settings.generateType` - **Type**: `string` - **Default**: `Normal` Generation mode for 3D model creation. **Allowed values**: - `Normal` Generates a textured geometry model. - `Geometry` Generates a texture-free white model. ### [pbr](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#request-settings-pbr) - **Path**: `settings.pbr` - **Type**: `boolean` Enable PBR (Physically Based Rendering) material generation. ## Response Parameters ### [taskType](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#response-tasktype) - **Type**: `string` - **Required**: true - **Value**: `3dInference` Identifier for the type of task this response belongs to. ### [taskUUID](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#response-taskuuid) - **Type**: `string` - **Required**: true - **Format**: `UUID v4` UUID v4 identifier echoed from the original request, used to match async responses to their tasks. ### [seed](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#response-seed) - **Type**: `integer` The seed used for generation. If none was provided, shows the randomly generated seed. ### [cost](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#response-cost) - **Type**: `float` Task cost in USD. Present when `includeCost` is set to `true` in the request. ### [outputs](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#response-outputs) - **Path**: `outputs.files` - **Type**: `object (3 properties)` - **Required**: true Generated output artifacts. #### [files](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#response-outputs-files) - **Path**: `outputs.files` - **Type**: `array of objects (2 properties)` - **Required**: true Generated output files. ##### [uuid](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#response-outputs-files-uuid) - **Path**: `outputs.files.uuid` - **Type**: `string` - **Required**: true - **Format**: `UUID v4` UUID of the output file. ##### [url](https://runware.ai/docs/models/tencent-hunyuan-3d-3-1-pro#response-outputs-files-url) - **Path**: `outputs.files.url` - **Type**: `string` - **Required**: true - **Format**: `uri` URL of the output file. ## Examples ### Basalt Diver Helmet Relic (Image to 3D) [View 3D model](https://assets.runware.ai/examples/tencent-hunyuan-3d-3-1-pro/6e0d2413-d685-4174-a1fe-235e4c776d3d.glb) --- ### Verdigris Astrolabe Beetle Totem (Image to 3D) [View 3D model](https://assets.runware.ai/examples/tencent-hunyuan-3d-3-1-pro/f2f3ce49-a1b5-4f9d-9871-7d910fb1c2e4.glb) --- ### Ceramic Koi Shrine Relic (Text to 3D) [View 3D model](https://assets.runware.ai/examples/tencent-hunyuan-3d-3-1-pro/e8d3610d-835b-4a78-a6ee-124d40c3ac45.glb) --- ### Scorched Pilgrim Mask Idol (Image to 3D) [View 3D model](https://assets.runware.ai/examples/tencent-hunyuan-3d-3-1-pro/fe4f4029-23e9-4127-8284-7725d5179e25.glb)