AI BriefingBonsai Image 4B: Ultra-lightweight Diffusion Transformer Released
·2026.06.02 23:28
Key point
Bonsai Image 4B, an ultra-lightweight image generation model that reduces memory usage to around 1GB through 1-bit and Ternary quantization, has been released.
Details
Bonsai Image 4B is an ultra-lightweight image generation model designed to run smoothly even on local devices by applying 1-bit and Ternary(3-bit) quantization techniques to a Diffusion Transformer (DiT) model.
Key features are as follows:
- Extremely low memory footprint: The 1-bit model uses only 0.93 GB and the Ternary model only 1.21 GB of Diffusion Transformer footprint, making it runnable even in very limited hardware environments.
- Efficient quantization: Weights are compressed to the extreme to maximize computational efficiency while maintaining image generation performance.
- Optimized for edge devices: Supports high-quality image generation in local environments such as mobile devices or low-spec PCs without a high-performance GPU.
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