head to head · open source
OpenCode vs Grok Build
OpenCode has 208,150 GitHub stars, 27,350 forks, 5,727 open issues and last shipped yesterday. Grok Build has 26,820 stars, 5,048 forks, 0 open issues and last shipped yesterday. OpenCode leads on adoption by 676% (208,150 vs 26,820 stars). OpenCode is written in TypeScript under MIT; Grok Build is written in Rust under Apache-2.0. OpenCode has attracted 13% as many forks as stars, Grok Build 19%. OpenCode was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| OpenCode | Grok Build | |
|---|---|---|
| GitHub stars | ★ 208K | ★ 27K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Rust |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 27K | ⑂ 5.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenCode if
- You weight community size — 208K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Grok Build if
- You want the Grok Build feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and Grok Build fits your workflow better
About OpenCode
OpenCode is an open source AI coding agent designed to operate across terminal, IDE, and desktop environments. It integrates directly into developer workflows to assist with writing, editing, and understanding code using natural language prompts. Built in TypeScript and licensed under MIT, it runs locally or via a desktop app and supports multiple languages and platforms.
read the full OpenCode overview →
About Grok Build
Grok Build is a terminal based AI coding agent developed by SpaceXAI, distributed as the grok CLI/TUI. It operates as a fullscreen, mouse interactive interface that integrates with the user’s codebase to perform code editing, command execution, web search, and long running task orchestration. The project lives in the Rust ecosystem and is licensed under Apache 2.0.
read the full Grok Build overview →
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Frequently asked questions
Is OpenCode or Grok Build more popular?
OpenCode has 208,150 GitHub stars and Grok Build has 26,820. OpenCode has the larger community by that measure.
Are OpenCode and Grok Build free?
Both are open source. OpenCode is licensed under MIT and Grok Build under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenCode and Grok Build?
OpenCode is written in TypeScript and Grok Build in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, OpenCode or Grok Build?
Choose OpenCode if you want the larger community (208,150 stars) or its MIT licence terms. Choose Grok Build if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.