Do LLMs know when you submit a different chat history?

Question

I use openwebui and big-agi and sometimes switch models in the middle of the chat when I feel like another model is better suited for my next question.Do they know that they got a different text from "someone else"? Just like humans know when they read something from someone else?

dtagames · Accepted Answer

Each model is given the entire thread, so you can switch anytime. But they don't know who wrote what part and it's not important. The output text is predicted based on the entire contents of the thread and the system prompt says "I" for the LLM and "you" for the user regardless of which model is the "I" at the moment.