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MODEL ID hyper3d:rodin@gen-2
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Rodin Gen-2

Hyper3D
by Hyper3D

Rodin Gen-2 is a 10 billion parameter 3D generation model from Hyper3D built on the BANG architecture. It creates production-ready assets from text prompts or up to 5 input images, with 4x geometry improvement over Gen-1. It supports quad-dominant and raw mesh modes, PBR and shaded materials, configurable polygon counts, T/A pose control, bounding box constraints, and output in GLB, FBX, OBJ, USDZ, and STL formats.

Rodin Gen-2

API Options

Platform-level options for task execution and delivery.

taskType

string required value: 3dInference

Identifier for the type of task being performed

taskUUID

string required UUID v4

UUID v4 identifier for tracking tasks and matching async responses. Must be unique per task.

outputType

string default: URL

3D output type.

Allowed values 1 value

outputFormat

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.

    Allowed values 2 values

    webhookURL

    string 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

    deliveryMethod

    string default: async

    Determines how the API delivers task results.

    Allowed values 2 values
    Returns complete results directly in the API response.
    Returns an immediate acknowledgment with the task UUID. Poll for results using getResponse.
    Learn more 1 resource

    uploadEndpoint

    string 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. 
    // 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

    integer min: 60

    Time-to-live (TTL) in seconds for generated content. Only applies when outputType is URL.

    includeCost

    boolean default: false

    Include task cost in the response.

    numberResults

    integer min: 1 max: 20 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.
    inputs » images

    images

    array of strings min items: 1max items: 5

    Image inputs for image-to-3D generation (UUID, URL, Data URI, or Base64). First image is used for material generation.

    Generation Parameters

    Core parameters for controlling the generated content.

    model

    string required value: hyper3d:rodin@gen-2

    Identifier of the model to use for generation.

    Learn more 3 resources

    positivePrompt

    string min: 2 max: 4000

    Text prompt describing elements to include in the generated output.

    Learn more 2 resources

    seed

    integer min: 0 max: 65535

    Random seed for reproducible generation. When not provided, a random seed is generated in the unsigned 32-bit range.

    Learn more 1 resource

    Settings

    Technical parameters to fine-tune the inference process. These must be nested inside the settings object.
    settings » addons

    addons

    array of strings default:

    Additional output features. In Quad mode, face count is approximately 16× the quality setting.

    settings » boundingBox

    boundingBox

    array of integers items: 3

    Maximum model dimensions in [Y, Z, X] format.

    settings » hdTexture

    hdTexture

    boolean default: false

    Enables high-quality texture generation.

    settings » material

    material

    string default: PBR

    Rendering material type for the output model.

    Allowed values 3 values
    Physically-based rendering materials.
    Baked lighting materials.
    Both PBR and Shaded materials.
    settings » meshMode

    meshMode

    string default: Quad

    Mesh topology for the output model.

    Allowed values 2 values
    Triangular mesh.
    Quadrilateral mesh.
    settings » polyCount

    polyCount

    integer min: 500 max: 1000000

    Custom polygon count for the output mesh.

    settings » quality

    quality

    string default: medium

    Preset polygon count for the output mesh.

    Allowed values 4 values
    Raw: 500k faces, Quad: 50k faces.
    Raw: 150k faces, Quad: 18k faces.
    Raw: 20k faces, Quad: 8k faces.
    Raw: 2k faces, Quad: 4k faces.
    settings » taPose

    taPose

    boolean default: false

    Forces a T-pose or A-pose for humanoid models.

    settings » useOriginalAlpha

    useOriginalAlpha

    boolean default: false

    Preserves the original image transparency channel.

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