Gemini guide

Google Gemini conversation limit explained

Gemini's conversation limits work differently from ChatGPT and Claude — but they're just as real. Whether you're running into a hard stop or noticing that Gemini loses the thread of long sessions, here's what's happening.

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Gemini's context window: 1 million tokens

  • Gemini 1.5 and 2.x models have a 1 million token context window — by far the largest of any major AI assistant. That's approximately 700,000+ words or several thousand pages of text. For the vast majority of use cases, you'll never hit the hard context limit.
  • But the context limit isn't the only type of limit Gemini users encounter.

The limits that actually affect Gemini users

  • Conversation session limits: very long conversations may become slower even before hitting the token limit.
  • Usage rate limits: free-tier users have daily request limits — too many requests triggers a 'too many requests' error, not a context limit.
  • History storage: Gemini saves conversations for 18 months by default, or 72 hours if activity is off. No bulk export.
  • Attention drift: in very long conversations, instructions given early may have less influence on later responses.

Save your Gemini sessions with thredly

  • thredly's Chrome extension currently injects its Summarize button into ChatGPT, Claude, and DeepSeek. For Gemini and Perplexity, paste the conversation into the thredly web app and click Summarize to get a structured summary stored privately to your account. Outlives Gemini's 18-month retention, and only runs when you click.

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Frequently asked questions

Is Gemini's 1 million token context actually usable in full?

Yes — it's genuinely impressive and enables use cases like analysing entire codebases or extensive research that other models can't handle. For most chat use cases, it means you'll never hit the hard limit.

Can I access older Gemini conversations?

Yes, through your Gemini app history or Google My Activity — as long as Gemini Apps Activity was on and the 18-month retention period hasn't passed.