The tool supports different models including OpenAI's `gpt-3.5` and local `ollama` model `mistral-7b`. For using these models, users need to input their OpenAI API key or install ollama on their machine respectively. Users can also add their own models. Docker support is provided and the app parameters and prompts can be configured in `yt_chat/config.py` and `yt_chat/config_messages.py`.
Key takeaways:
- yt-chat is a tool that can summarize Youtube videos and allows users to ask precise questions about the summarized video.
- It can be used with different models like OpenAI's gpt-3.5 and local ollama model mistral-7b.
- Users can configure the app parameters and prompts using 'yt_chat/config.py' and 'yt_chat/config_messages.py'.
- yt-chat also provides Docker support and allows users to add their own models.