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1.8 KiB
1.8 KiB
HiDream-I1
HiDream-I1 is a 17B parameter image generation foundation model by HiDream.ai that achieves state-of-the-art quality using a sparse diffusion transformer architecture.
Model Variants
HiDream-I1 Full
- Full 17B parameter sparse diffusion transformer
- Uses Llama-3.1-8B-Instruct and T5-XXL as text encoders
- VAE from FLUX.1 Schnell, MIT license
HiDream-I1 Dev
- Distilled variant, faster inference with minor quality tradeoff
HiDream-I1 Fast
- Further distilled for maximum speed, best for rapid prototyping
HiDream-E1
- Instruction-based image editing model
Key Features
- State-of-the-art HPS v2.1 score (33.82), surpassing Flux.1-dev, DALL-E 3, and Midjourney V6
- Best-in-class prompt following on GenEval (0.83) and DPG-Bench (85.89)
- Multiple output styles: photorealistic, cartoon, artistic, and more
- Dual text encoding with Llama-3.1-8B-Instruct and T5-XXL for strong prompt adherence
- MIT license for commercial use
- Requires Flash Attention for optimal performance
Hardware Requirements
- Minimum: 24GB VRAM (Full model), Dev and Fast variants run on lower VRAM
- Recommended: 40GB+ VRAM for Full model at high resolution
- CUDA 12.4+ recommended for Flash Attention
- Llama-3.1-8B-Instruct weights downloaded automatically
Common Use Cases
- High-fidelity text-to-image generation
- Photorealistic image creation
- Artistic and stylized illustrations
- Instruction-based image editing (E1 variant)
- Commercial image generation
Key Parameters
- model_type: Variant selection (full, dev, fast)
- steps: Inference steps (varies by variant; fewer for fast/dev)
- cfg_scale: Guidance scale for prompt adherence
- resolution: Output image dimensions
- prompt: Detailed text description of desired image