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Grok 1 (November 2023)

xAI

Grok 1 is xAI's original hosted language model, introduced in November 2023 after pretraining and fine-tuning with human and Grok-0 feedback. Its model card documents an 8,192-token context window; the exact public availability day is not established. This fine-tuned hosted artifact is distinct from the raw base checkpoint released as open weights in March 2024.

Benchmark scores