开源SD3，中型版本，20亿参数，Stable Diffusion 3 Medium，系统内存要求32G，显卡6G。
a female character with long, flowing hair that appears to be made of ethereal, swirling patterns resembling the Northern Lights or Aurora Borealis. The background is dominated by deep blues and purples, creating a mysterious and dramatic atmosphere. The character's face is serene, with pale skin and striking features. She wears a dark-colored outfit with subtle patterns. The overall style of the artwork is reminiscent of fantasy or supernatural genres
不同尺寸模型文件区别
sd3_medium.safetensors 4.34GB, includes the MMDiT and VAE weights but does not include any text encoders, you need to download T5XXL text encoder yourself.
sd3_medium_incl_clips.safetensors 5.97GB, includes all necessary weights except for the T5XXL text encoder. It requires minimal resources, but the model's performance will differ without the T5XXL text encoder.
sd3_medium_incl_clips_t5xxlfp8.safetensors 10.9GB, contains all necessary weights, including fp8 version of the T5XXL text encoder, offering a balance between quality and resource requirements.
sd3_medium_incl_clips_t5xxlfp16.safetensors 15.8GB, contains all necessary weights, including fp16 version of the T5XXL text encoder.
T5XXL is a new text encoder from Google, it has emerged as a powerful technique in natural language processing (NLP).
Clip及t5xxl_下载
1.3 t5xxl_fp16.safetensors 9.79GB
1.4 t5xxl_fp8_e4m3fn.safetensors 4.89GB
其他
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需要更新ComfyUI到最新，先git fetch再git merge
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命令行进入路径 ComfyUI\python_embeded安装缺失的spandrel模块，运行
bash
python -m pip install spandrel参考
[1]: https://edmondyip.substack.com/p/stability-ai-released-stable-diffusion