head to head · open source
Tabby vs Grok Build
Tabby has 33,884 GitHub stars, 1,788 forks, 335 open issues and last shipped 3 months ago. Grok Build has 26,820 stars, 5,048 forks, 0 open issues and last shipped yesterday. Tabby leads on adoption by 26% (33,884 vs 26,820 stars). Tabby is written in Rust under a custom or non-standard licence; Grok Build is written in Rust under Apache-2.0. Tabby has attracted 5% as many forks as stars, Grok Build 19%. Grok Build 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.
← all 8884 open source comparisons
Side by side
| Tabby | Grok Build | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 27K |
| License | Custom / other | Apache-2.0 |
| Written in | Rust | Rust |
| Last push | 2026-06-30 | 2026-09-17 |
| Forks | ⑂ 1.8K | ⑂ 5.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Tabby if
- You weight community size — 34K stars and counting
- You want the Custom / other license terms
- Your stack matches Rust
- 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 Tabby
Tabby is a self hosted, open source AI coding assistant that acts as an on premises alternative to GitHub Copilot, aimed at developers and engineering teams that want code completion and chat without routing source code through a third party cloud service.
read the full Tabby 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 →
More in Developer Tools
Related comparisons
More AI Assisted Coding projects
Compare either of these against the rest of the AI Assisted Coding field.
Frequently asked questions
Is Tabby or Grok Build more popular?
Tabby has 33,884 GitHub stars and Grok Build has 26,820. Tabby has the larger community by that measure.
Are Tabby and Grok Build free?
Both are open source. Tabby has no licence declared in this registry, and Grok Build is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Tabby and Grok Build?
Tabby is written in Rust 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, Tabby or Grok Build?
Choose Tabby if you want the larger community (33,884 stars) or its Custom / other licence terms. Choose Grok Build if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.