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3. SpaceXAI

# SpaceXAI

[AI labs & coding models](/software-factories/category/ai-labs.md) Open source

[Visit website ](https://x.ai/)[View on GitHub](https://github.com/xai-org/grok-build)

Former xAI, now part of SpaceX, which trains Grok models and builds the open-source Grok Build coding agent.

## Overview

SpaceXAI is the former xAI, the lab behind the Grok models, which merged into SpaceX in February 2026. It closed its acquisition of Cursor in August 2026 and trains Grok models jointly with Cursor.

Its open-source Grok Build is a terminal coding agent released under Apache-2.0 and synced from an internal monorepo; it does not accept outside contributions. The Grok models, Cursor and the hosted cloud agents are closed.

SpaceXAI sells SuperGrok plans from $10 to $300 a month and API access.

## Features

* Trains the Grok models.
* Publishes Grok Build, an open-source terminal coding agent under Apache-2.0.
* Trains Grok models jointly with Cursor, which it owns.
* Sells SuperGrok plans and API access.

## Details

* Website

  [x.ai](https://x.ai/)

* Company

  SpaceXAI

* Category

  [AI labs & coding models](/software-factories/category/ai-labs.md)

* Source

  Open source

* Repository

  * [github.com/xai-org/grok-build](https://github.com/xai-org/grok-build) · 27.4K stars

* License

  Apache-2.0

* Commercial offering

  Yes, paid offering available

* Topics

  * [Coding models](/software-factories/?tag=coding-models)
  * [CLI](/software-factories/?tag=cli)

* Listed

  October 2026

* Last verified

  October 2026

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