DeepSeek is a Hangzhou lab with a free chat app and open weights. Separate the product from the files you can download.
- 1 What DeepSeek is (products plus open models) DeepSeek is a Hangzhou lab with a free chat app and open-weight files, and they are not the same install. This part maps chat.deepseek.com, the API, and Hugging Face checkpoints so you do not clone an 865 GB folder to rewrite a six-line FAQ. Scheduled · September 25, 2026