Hy-Image-3.0 API
Hy-Image-3.0 is the older synchronous image-generation API. It accepts a text prompt and reference-image generation requests.
Service and inputs
The endpoint supports prompt rewriting, preset sizes and custom watermark footnotes. Its service retirement does not remove the separately distributed HunyuanImage-3.0 weights.Tencent Hy image generation API guide
Practical use
Practical guidance. Move a new hosted integration to a currently supported successor. Before migration, compare requested sizes, prompt rewriting and returned image fields; the newer messages API has a different request shape.
Specifications & access
| Detail | Value and conditions |
|---|---|
| Access | API |
| Model identifiers | hy-image-v3 |
| Scheduled service retirement | 12 November 2026; still listed on the review dateTokenHub model catalog, updated 5 November 2026 |
| Prompt and image limits | 8,192 characters; output area at most 1024 × 1024Tencent Hy image generation API guide |
Related models
- Hy-Image-3.5 Preview
Tencent · Hy Image API
An image-generation and editing model with reference-image input and multi-turn editing.
Launch date not confirmedPreviewAPI - HunyuanImage-3.0
Tencent · HunyuanImage
An autoregressive text-to-image model with 80B total and 13B active parameters.
Launch date not confirmedDownloadable