Anthropic

Claude’s context window size is 200K, meaning it can ingest 200K+ tokens (about 500 pages of text or more) when using a paid Claude plan.

<b>Note: </b>Users on Enterprise plans have access to a 500K context window when chatting with Claude Sonnet 4.5. See <a href="https://support.claude.com/en/articles/9797531-what-is-the-enterprise-plan">What is the Enterprise plan?</a> for more information.

How large is the context window on paid Claude plans?

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