HunyuanImage 2.1
HunyuanImage 2.1 is an efficient open-source text-to-image diffusion model developed by Tencent that generates high-resolution 2K (2048×2048) images with advanced text-image alignment capabilities.
https://hunyuan.tencent.com/image/en?tabIndex=0&ref=producthunt
Product Information
Updated:Oct 9, 2025
What is HunyuanImage 2.1
HunyuanImage 2.1 is a state-of-the-art text-to-image generation model developed by the Tencent Hunyuan team. As an open-source model with 17B parameters based on DiT (Diffusion Transformer) architecture, it represents a significant advancement in high-resolution image creation within the open-source AI field. The model leverages extensive datasets and structured captions involving multiple expert models to create highly detailed images from text descriptions. It is available through Hugging Face and requires a minimum of 24GB VRAM for local deployment.
Key Features of HunyuanImage 2.1
HunyuanImage 2.1 is a highly efficient open-source text-to-image model developed by Tencent that can generate high-resolution 2K (2048x2048) images. It features advanced architecture and training techniques for superior image quality and text alignment, with FP8 quantization enabling operation on 24GB GPU memory. The model supports both Chinese and English prompts and has achieved commercial-grade standards in professional evaluations.
High Resolution Output: Native support for 2K (2048x2048) resolution image generation with high-quality detail rendering
Efficient Resource Usage: FP8 quantization allows running on GPUs with just 24GB memory while maintaining quality
Advanced Text Understanding: Superior semantic alignment and detail control for both Chinese and English text prompts
Prompt Enhancement: Integrated PromptEnhancer-32B model for improving input text quality and better results
Use Cases of HunyuanImage 2.1
Professional Design: Creation of high-quality visual assets for designers and creative professionals
Logo Generation: Creating decorative and stylized logos with text and graphical elements
Content Creation: Generating high-resolution images for digital content and social media
Artistic Visualization: Converting text descriptions into detailed artistic renderings and illustrations
Pros
Commercial-grade image quality comparable to closed-source models
Efficient resource utilization with FP8 quantization
Open-source availability with active community support
Cons
License restrictions for services with over 100M monthly active users
Geographic restrictions (disabled in EU, UK, and South Korea)
Requires minimum 24GB GPU memory for optimal performance
How to Use HunyuanImage 2.1
Clone the repository: git clone https://github.com/Tencent-Hunyuan/HunyuanImage-2.1.git
Navigate to directory: cd HunyuanImage-2.1
Install dependencies: Run 'pip install -r requirements.txt' followed by 'pip install flash-attn==2.7.3 --no-build-isolation'
Download pretrained models: Follow the instructions in the repository to download the required pretrained model files
System requirements: Ensure you have minimum 24GB VRAM to run the quantized version locally
Generate images: Provide a text prompt and optional negative prompt to generate 2K resolution (2048x2048) images
Optional: Use prompt enhancement: Leverage prompt enhancement features to improve the quality of generated images
Alternative: Use ComfyUI: The model can also be used through ComfyUI interface after updating to latest nightly version
HunyuanImage 2.1 FAQs
HunyuanImage 2.1 is a highly efficient text-to-image model developed by Tencent that can generate high-resolution 2K (2048 × 2048) images from text descriptions.
HunyuanImage 2.1 Video
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