Hunyuan Image 3.0 — AI Image Generator
Tencent's Hunyuan Image 3.0 is the largest open-source text-to-image model at 80 billion parameters (13B active via MoE). Trained on 5 billion image-text pairs and 6 trillion tokens, it combines deep text understanding with world knowledge reasoning for images that go beyond surface-level prompt matching. Run it available on ComfyUI Web.
Hunyuan Image on ComfyUI Web
Run Hunyuan Image 3 directly in your browser.
Why Use Hunyuan Image
Text to Image
Generate images from text with thousand-character level semantic understanding. The model processes long, complex prompts that would confuse smaller models.
Multilingual Text Rendering
Renders Chinese, English, and mixed-language text in images with high accuracy. Handles brand logos, signage, and typographic layouts.
World Knowledge Reasoning
Combines common sense and professional domain knowledge to generate accurate scientific diagrams, educational illustrations, and real-world objects without explicit visual references.
80B Parameter MoE Architecture
64 expert modules with 13B active parameters per inference. The MoE design provides the quality of an 80B model at the inference cost of a 13B model.
100% Cloud-Based
No GPU, no local setup. ComfyUI Web runs Hunyuan Image on cloud infrastructure — the 160GB model requires no local resources.
trial-credit tier Available
Start generating with no credit card. trial credits refresh regularly.
Model Snapshot
Verified from official documentation and pricing pages.
Pricing Model
Open-source + hosted credits
Entry Pricing
Open-source (self-host) + hosted credits
Max Resolution
1536px
Max Duration
N/A
Native Audio
No
Open Source
Yes
API Access
Yes
Comparison Highlights
- Pricing Model: Open-source + hosted credits (Open-source (self-host) + hosted credits).
- Max Resolution: 1536px; Max Duration: N/A.
- Open Source: Yes; API Access: Yes.
How to Use Hunyuan Image 3 on ComfyUI Web
Generate your first Hunyuan image in under a minute.
Open Hunyuan Image 3
Navigate to the Hunyuan Image 3 app. The model supports text-to-image generation with detailed prompt control.
Write a Detailed Prompt
Hunyuan excels with long, descriptive prompts. Include composition, lighting, style, text content, and specific real-world references. The model handles thousand-character instructions.
Generate & Download
Click generate. Hunyuan produces high-detail output in JPEG or PNG format. Adjust seed for variations.
What Is Hunyuan Image 3?
Hunyuan Image 3.0 is Tencent's flagship text-to-image model, released September 2025. At 80 billion total parameters with a Mixture-of-Experts architecture, it's the largest open-source image generation model available — trained on 5 billion image-text pairs plus 6 trillion text tokens.
The MoE architecture activates 13 billion parameters per inference through 64 specialized expert modules. This means you get the knowledge capacity of an 80B model while only paying the compute cost of a 13B model during generation.
Autoregressive Architecture
Unlike diffusion-based models like Flux or Stable Diffusion, Hunyuan Image 3 uses a unified autoregressive framework that combines text and image modalities. This is the same approach used by GPT-4o and Gemini for multimodal generation.
The autoregressive approach enables deeper semantic understanding — the model doesn't just match visual patterns to text, but reasons about the content. A prompt requesting 'a physicist's chalkboard with E=mc² alongside a diagram of spacetime curvature' produces scientifically accurate content rather than plausible-looking approximations.
Model Timeline
The initial open-source release (September 2025) included inference code and model weights. Tencent followed with vLLM acceleration support in October 2025 for faster deployment.
January 2026 brought two significant additions: HunyuanImage-3.0-Instruct adds reasoning capabilities for more precise instruction following, and the Distil checkpoint enables 8-step sampling for faster generation with acceptable quality tradeoffs. Image-to-image editing was also added in this update.
Hunyuan vs Flux and Other Large Models
Flux Dev (12B parameters) generates faster and has a larger community ecosystem with LoRA support. Hunyuan's 80B architecture produces more detailed output on complex prompts but requires more compute per image.
On ComfyUI Web, the cloud infrastructure handles the heavy compute, so you get Hunyuan's full quality without needing local hardware. For prompts requiring deep knowledge (scientific, architectural, cultural references), Hunyuan outperforms smaller models.
Frequently Asked Questions
- Is Hunyuan Image 3 free to use?
- Yes. Hunyuan Image 3.0 is open-source. On ComfyUI Web, you get trial credits to generate images. No credit card required.
- How big is Hunyuan Image 3?
- 80 billion total parameters with 64 MoE expert modules. 13 billion parameters are active per inference. The full model weights are 160GB.
- Can I run Hunyuan Image 3 locally?
- Technically yes — the model is open-source. However, at 160GB, it requires substantial GPU VRAM. ComfyUI Web handles this on cloud GPUs so you don't need local hardware.
- What makes Hunyuan different from Flux or Stable Diffusion?
- Hunyuan uses an autoregressive architecture (like GPT) rather than diffusion. This enables deeper semantic understanding and more accurate rendering of complex, knowledge-dependent prompts.
- Does Hunyuan support image editing?
- Yes. The January 2026 update added image-to-image capabilities through the Instruct variant. The base model focuses on text-to-image generation.
- What resolution does Hunyuan support?
- Hunyuan Image 3 supports sizes from 256px to 1536px. Output format options include JPEG and PNG with seed control for reproducible results.