What Is Hunyuan Image 3 Instruct?
Hunyuan Image 3 Instruct is Tencent’s instruction-oriented generation endpoint. It combines an internal prompt-expansion step with an explicit guidance control, making it useful when a scene contains several spatial or material constraints that should be reasoned through before rendering.
Hunyuan Image Model Versions
Hunyuan Image 3 Instruct
Prompt expansion · 1K
From 7 Credits
Hunyuan Image 3 Instruct
Tencent’s instruction-focused image model for detailed prompts and deliberate composition.
- Resolutions: 1K
- Reference images: not supported
- Modes: Text to Image
- Speed: Slow
Hunyuan Image 2.1
A configurable Hunyuan generation for users who want direct sampling and negative-prompt controls.
- Resolutions: 1K
- Reference images: not supported
- Modes: Text to Image
- Speed: Slow
What Is Hunyuan Image 3 Instruct Best For?
- Detailed scene instructions
- Scientific and technical illustration concepts
- Complex material descriptions
- Deliberate composition
How to Use Hunyuan Image 3 Instruct
- Describe spatial relationships explicitly.
- Keep Guidance near 3.5 first.
- Compare a fixed seed with Prompt Expansion on and off.
- Use a cheaper model for broad exploration.
Hunyuan Image 3 Instruct Settings Explained
Guidance
Controls adherence to the prompt; the documented default is 3.5.
Prompt Expansion
Runs the model’s internal recaptioning step before generation.
The panel above shows only the parameters Hunyuan Image 3 Instruct actually supports. Switch versions and unsupported controls disappear rather than sitting there doing nothing.
Hunyuan Image 3 Instruct Prompt Examples
Material macro
Macro photograph of a peacock feather showing individual barbs, barbules and iridescent microstructure, controlled side light, scientific accuracy
Complex interior
Cutaway reading room inside a lighthouse, spiral stair at left, desk facing the sea, storm light through three windows, physically coherent scale
Hunyuan Image 3 Instruct Test Results
Testing in progress
Every model runs the same eight-category prompt set — portrait, product, poster text, anime character, interior, multi-reference, image editing and character consistency — recording generation time, success rate, text accuracy and identity retention. That run has not finished for Hunyuan Image 3 Instruct, so this page shows no scores. We do not publish numbers we have not measured.
Hunyuan Image 3 Instruct Limitations
- Text-to-image only here
- Higher compute cost than lightweight models
- 1K output on the verified route
Hunyuan Image 3 Instruct Pricing and Credits
Credits scale with resolution and image count. The Generate button always shows what this run costs.
1K
7 credits / image
Failed generations cost 0 credits.
Commercial Use and Image Rights
Commercial use is governed by Tencent’s Hunyuan licence and the selected service terms.
- Model used: Hunyuan Image 3 Instruct
- Model developer: Tencent
- The inference route is managed internally and may change without changing the selected model
- Uploads are sent only to the configured inference service needed to complete the generation
- You can delete any generation from your history at any time
Frequently Asked Questions
Why is editing not shown?+
The edit operation uses a different compute-second price, so it remains separate until its maximum cost can be bounded safely.
Does Prompt Expansion change the subject?+
It should preserve the requested meaning while adding visual detail; disable it for strict literal prompts.
Model Updates and Changelog
- 2026-08-25 —— Added the exact Hunyuan Image 3 Instruct generation route.
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