Claude Models10 min read
Claude Context Window Explained: 200K vs 1M Tokens
Claude's context window is its working memory: 1M tokens on Opus 4.8 and Sonnet 5, 200K on Haiku 4.5. What happens when it fills up, and how to manage it.
Claude's context window is its working memory: 1M tokens on Opus 4.8 and Sonnet 5, 200K on Haiku 4.5. What happens when it fills up, and how to manage it.