mention llm selection

Author: mayankshouche

chat.mdx

@@ -26,6 +26,8 @@ AI Chat uses only the content published on your docs as its knowledge base. We d
 
 User queries are matched against the contents of your documentation for both semantic & full-text matches, which are then provided as context to a LLM.
 
+You can choose the specific Large Language Model (LLM) used for generating answers from a list of supported models within your Mintlify dashboard. This allows you to select the model that best fits your needs for performance, cost, or response style.
+
 It also takes into account the end-user's selected version and language and filters the sources it uses as context based on these factors.
 
 ## Optimizing Your Content for AI Chat