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Grok 4.1 Fast (Reasoning)

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18:00
2026-09-10
llmstatus.ai
large-language-models

Grok 4.1 Fast (Reasoning) deprecated

XAI's Grok 4.1 Fast (Reasoning) model, released 2025-11-19 with a 128k context window and 30k max output, has been marked deprecated with no announced retirement date, according to a provider announce…

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