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Why your longest chat is your worst chat

In almost every workshop someone proudly tells me they have been working in the same chat for weeks. 'That way it gets to know me.' I understand the thought. It feels like a colleague who increasingly knows how you work. Except it is not true, and exactly because of that the answer gets worse instead of better after a while.

A chat is not a learning process

A language model does not learn while you talk to it. It predicts the next word over and over again, based on what is in its context window. That context window is its working memory: your question, the files you added, and the entire conversation up to now.

And that last part is the point most people miss. With every new message the tool sends the full conversation along again. So your tenth question does not weigh one message, it weighs ten messages plus all the answers. Your usage does not grow quietly, it piles up.

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