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Grok-4.20 Beta Non-Reasoning

xAI · proprietary · grok-4.20-beta-0309-non-reasoning

Grok 4.20 Beta Non-Reasoning is xAI's non-reasoning variant of the Grok 4.20 model family. Released as a beta on March 9, 2026, it provides fast, direct responses without thinking tokens, featuring a 2 million token context window while optimizing for speed and lower latency.

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