Hunyuan-Image-3

Hunyuan-Image-3

Provider: Tencent
Category: Image Generation
Endpoint: POST /v1/images/generations
Context window:
Served from:

Open-source text-to-image model on a multimodal Mixture-of-Experts architecture with photorealistic detail and strong multilingual text rendering.

At a glance

FieldValue
Model idhunyuan-image-3
Input modalitiestext
Output modalitiesimage
Context window
Region
Featuresphotorealistic, multilingual
NewNo
Native inferenceNo

Pricing

ChargeSpecRate
Standardper image$0.13

Example request

$curl https://api.empiriolabs.ai/v1/images/generations \
> -H 'Authorization: Bearer $EMPIRIOLABS_API_KEY' \
> -H 'Content-Type: application/json' \
> -d '{"model": "hunyuan-image-3", "prompt": "a misty forest at dawn", "size": "1024x1024"}'

Parameters

ParameterTypeRequiredDefaultDescription
promptstringyesText prompt.
sizeenumno"1024x1024"Output resolution. Square, portrait, and landscape presets. · Allowed: 1024x1024, 768x1024, 1024x768, 1024x1536, 1536x1024, 512x512
num_imagesnumberno1Number of images to generate. Each is billed separately. · Range: 1 – 4
negative_promptstringno""What to avoid in the output.
num_inference_stepsnumberno28Diffusion steps. More = higher fidelity, slower. · Range: 10 – 50
guidance_scalenumberno7.5Classifier-free guidance. Higher = follows prompt more strictly. · Range: 1 – 20
seednumbernoReproducibility seed.
response_formatenumno"url"Allowed: url, b64_json

Live machine-readable schema is also available at GET https://api.empiriolabs.ai/v1/models/hunyuan-image-3.