# xAI — Open Release of Grok-1

- Company: xAI (x.ai)
- Announced: 2024-03-17T00:00:00+00:00
- Category: open-weight-release
- Subject: Grok
- Open weights: yes
- Models affected: Grok-1
- License: Apache 2.0
- Source: https://x.ai/news/grok-os
- Record: https://forck.live/items/4357-open-release-of-grok-1

xAI released the base model weights and network architecture of Grok-1, a 314 billion parameter Mixture-of-Experts model, under the Apache 2.0 license. The model is the raw checkpoint from pre-training in October 2023 and is not fine-tuned for any specific application.

## Evidence

Verbatim from https://x.ai/news/grok-os:

> We are releasing the weights and architecture of our 314 billion parameter Mixture-of-Experts model Grok-1.

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Record: https://forck.live/items/4357-open-release-of-grok-1
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