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How to install Flash-Attention on a Windows system ?
WanVideoWrapper from Kijai is a useful series of nodes for WanVideo. However it requires you to have Flash-Attention installed in your python venv environment.
So I will focus on how to install this tool, but so it is compatible with "WanVideoWrapper from Kijai".
The date of the tutorial is important: October 11, 2025, since the version of Flash-Attention that you need to use with WanVideoWrapper will likely change.
While you could just do a:
pip install flash-attn --no-build-isolation
(May be it will be enough in the future)
Read more: How to install Flash-Attention on a Windows system with ComfyUI and WanVideoWrapper
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How to install "Nunchaku", a Plugin for ComfyUI?
The last week was rich in anouncements:
Wan 2.5, an AI tool to create videos can be tested online.
Lucy-Edit-Dev, an AI tool to edit videos, has been released
(the 14b is just online and costs credits, while the 5b is usable offline).
Wan2.2-Animate, an AI tool to create new videos from an old one using a prompt and a picture, has been released.
and finally Qwen-Image-Edit-2509, a new version of the tool to edit pictures using a prompt has been released.
Good News ! These tools are all free, at least partially...
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Installation of MiniCPM-V 4.5 and test scripts
MiniCPM is a family of compact, efficient, open-source language models developed by OpenBMB.
Its multimodal variants, like MiniCPM-V, can understand both text and images, enabling strong performance on vision-language tasks while being small enough to run on consumer-level hardware.
(Thank you AI, for the definition.)
In summary MiniCPM is like a VLM and if you feed it pictures, it can comment on them.
You can feed it many things: one picture, several pictures, videos, pdf (with Ollama-OCR)...
For its size it is surprisingly smart.
Honestly, wow...
It could even fit in a mobile phone and there is a test apk project that you can test.
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Can you install an Apple VLM model on a Windows system?
Beside a couple of other products that look promising like the Airpod pro 3 (reportedly with live translation). Apple also released, a little bit before, a series of VLM models on huggingface, the FastVLM series:
Problem: its license is extremely restrictive
Second problem: which version of FastVLM are we talking about?
Read more: How to install fastvlm from Apple on a windows computer?
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How to install SageAttention2 on a Windows system with ComfyUI?
As I explained in this recent tutorial on how I optimized a ComfyUI workflow for Wan 2.2, SageAttention is a tool/component that allows you to generate videos faster.
To make the things easier, I'll consider that SINCE YOU HAVE COMFYUI, you already have a python virtual environment (venv) with everything installed and so on, because this will make the things much shorter to explain.
If you come here, I suppose that you are already aware of this kind of command:
Read more: How to install SageAttention2 on a Windows system with ComfyUI?