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Anthropic: Claude Haiku 4.5 Context Window

Claude Haiku 4.5 has a context window of 200K tokens. Its context score is 50.

Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC

Context
200K
Context score
50

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Frequently asked questions

How large is the Claude Haiku 4.5 context window?

Claude Haiku 4.5 has a context window of 200K tokens. Its context score is 50.