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What does an LLM's context window measure?

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  1. How many facts it remembers forever
  2. How many users can chat at once
  3. How many tokens it can process at once

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References

  1. Google Machine Learning Glossary: context window developers.google.com/machine-learning/glossary Checked 2026-10-10.
  2. Brown et al., Language Models are Few-Shot Learners (arXiv 2005.14165) arxiv.org/pdf/2005.14165 Checked 2026-10-10.

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