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SpaceXAI: Grok 4.3 Context Window

Grok 4.3 has a context window of 1M tokens. Its context score is 70.

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

Context
1M
Context score
70

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Frequently asked questions

How large is the Grok 4.3 context window?

Grok 4.3 has a context window of 1M tokens. Its context score is 70.