When was Grok‑1 released?

Grok‑1 was released by SpaceXAI on Friday, Nov 3 2023.

Grok‑1 was built by SpaceXAI. Elon Musk's AI company building the Grok series of models. Founded in 2023 as xAI, now part of SpaceX. Cursor (Anysphere) and its Composer coding models were acquired in 2026 and are tracked here.

Is Grok‑1 open source?

Partly. Grok‑1 is an open-weight model: the trained weights are free to download and run locally or on your own infrastructure, but the training data and code are not fully released and the license may restrict some commercial uses. It is not open source in the strict sense.

What came before and after Grok‑1?

It was followed by Grok‑1.5 on Mar 29 2024.

Grok‑1Open Weight

Released Nov 3 2023

Grok‑1 is an AI model released by SpaceXAI on Friday, Nov 3 2023. It is an open-weight model — the trained weights are available to download and run.

Compare Grok‑1 with

Grok‑1

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Frequently asked questions

: Grok‑1 was released by SpaceXAI on Friday, Nov 3 2023.
: Grok‑1 was built by SpaceXAI. Elon Musk's AI company building the Grok series of models. Founded in 2023 as xAI, now part of SpaceX. Cursor (Anysphere) and its Composer coding models were acquired in 2026 and are tracked here.
: Partly. Grok‑1 is an open-weight model: the trained weights are free to download and run locally or on your own infrastructure, but the training data and code are not fully released and the license may restrict some commercial uses. It is not open source in the strict sense.
: It was followed by Grok‑1.5 on Mar 29 2024.