SpaceXAI
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
- Company
- SpaceXAI
- Category
- AI labs & coding models
- Source
- Open source
- Repository
- github.com/xai-org/grok-build · 27.4K stars
- License
- Apache-2.0
- Commercial offering
- Yes, paid offering available
- Topics
- Listed
- October 2026
- Last verified
Similar software factories
Mistral Code
Open sourceEnterprise coding assistant from Mistral AI, combining its coding models, IDE plugins and agentic workflows.Poolside
Builds foundation models for software engineering and the agents that run them, for enterprises and government.Command Code
CLI coding agent tuned for open models, with background sandbox modes, cloud sessions and a model that learns your coding style.Cursor
AI code editor and coding agent with desktop, CLI, Slack and GitHub entry points and cloud agents in isolated VMs.
