Hunyuan Image 3

Hunyuan Image 3
Tencent · Image Generation
POST /v1/images/generations

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
Model release date2025-09-28
Input modalitiesText
Output modalitiesImage
Context window-
Weight precision-
Featuresphotorealistic, multilingual
Native inferenceNo
NewNo
Supported endpointsPOST /v1/images/generations
Alternate model idstencent/hunyuan-image-3

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
promptstringyes-Text prompt. Longer, specific prompts with layout and text details work well.
aspect_ratioenumno"1:1"Output aspect ratio. The model renders about one megapixel at the chosen ratio. · Allowed: 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3, 5:4, 4:5, 21:9, 9:21
num_imagesnumberno1Number of images to generate. Each is billed separately. · Range: 1 – 4
seednumberno-Reproducibility seed. Leave empty for random.
response_formatenumno"url"Return signed URLs or base64 image data. · Allowed: url, b64_json

Notes

Text-to-image at about one megapixel with a selectable aspect ratio.

Content safety

  • Generated images pass an automated content-safety check. An image flagged as explicit is not returned. Because the image is generated before the check runs, a flagged generation is still billed.

Machine-readable schema: GET https://api.empiriolabs.ai/v1/models/hunyuan-image-3.