Guide

ChatGPT token limit explained

ChatGPT conversations do not have infinite working memory. Token limits and long-thread drift are why older details can stop influencing new replies.

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Symptoms of practical limits

  • Earlier decisions disappear
  • Rejected ideas return
  • The thread slows down
  • The model asks you to start a new chat

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Frequently asked questions

Does a fresh chat reset the token limit?

Yes, but it also starts without the old context. A structured summary gives the fresh chat the useful details without carrying the entire transcript.