> ## Documentation Index > Fetch the complete documentation index at: https://docs.askmanu.co/llms.txt > Use this file to discover all available pages before exploring further. # Chats ## About chats Chats are a really powerful tool to get to the answer you need. Asking follow up questions until you make sure you fully got what you needed. chat ## Features ### Relevant manu uses [Sonnet 3.5](https://www.anthropic.com/news/claude-3-5-sonnet) from Anthropic to generate responses. It has proven many times that is the most powerful model for coding or coding related tasks. More so, we've indexed documentation from popular npm packages (more package managers coming soon) so you get back references to the original docs that were used when generating the answer. ### Chat about a specific library You can mention a specific library by using `@` so you get answers that are related to it or include it. You can also specify a certain version by typing `:` after: Creating the right context for manu is the best way to get the most out of it and specifying the libraries you are using makes sure the answers are extremely relevant to you. ### Control the answer returned With chat you can control how manu should respond. If you feel like having a short, to the point conversation with it, you can use the top slider to control the length of the response returned.