How do I install LongCat-Video?
Two steps. The repo ships clean install instructions.
Step 1: Clone the repo
bash
git clone https://github.com/meituan-longcat/LongCat-Video.git
cd LongCat-Video
The official repo is github.com/meituan-longcat/LongCat-Video — released October 25, 2025, MIT licensed.
Step 2: Install dependencies
bash
pip install -r requirements.txt
python download_weights.py
The full 13.6B weights are ~27GB. On a 24GB card you will run with offloading. On a 12GB card, use the Wan2GP integration which adds aggressive layer offloading.
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