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xAI · model release · downloadable model

Grok-1 open-sourced

xAI publishes the raw Grok-1 model so anyone can download and use it.

In detail

xAI released the base model weights and architecture of Grok-1, a 314-billion-parameter Mixture-of-Experts model, under the Apache 2.0 license. It is the raw pre-training checkpoint, not fine-tuned for dialogue.

Sources

  1. Open Release of Grok-1 · xAI · Primary source

Last checked 11 November 2026.