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SpaceXAI: Grok 4.20 Context Window

Grok 4.20 has a context window of 2M tokens. Its context score is 79.

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

Context
2M
Context score
79

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Frequently asked questions

How large is the Grok 4.20 context window?

Grok 4.20 has a context window of 2M tokens. Its context score is 79.