head to head · open source
Aider vs Grok Build
Aider has 49,021 GitHub stars, 4,967 forks, 1,860 open issues and last shipped 4 months ago. Grok Build has 26,820 stars, 5,048 forks, 0 open issues and last shipped yesterday. Aider leads on adoption by 83% (49,021 vs 26,820 stars). Aider is written in Python under Apache-2.0; Grok Build is written in Rust under Apache-2.0. Aider has attracted 10% 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.
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Side by side
| Aider | Grok Build | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 27K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Rust |
| Last push | 2026-05-22 | 2026-09-17 |
| Forks | ⑂ 5.0K | ⑂ 5.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Aider if
- You weight community size — 49K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- 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 Aider
Aider is an open source AI pair programming tool that runs in the terminal. It connects to large language models—cloud based or local—to assist with writing, editing, and debugging code directly within a developer’s existing workflow. Built in Python and licensed under Apache 2.0, it integrates with popular LLMs including OpenAI, Anthropic, Google Gemini, and open source models like Llama.
read the full Aider 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 Aider or Grok Build more popular?
Aider has 49,021 GitHub stars and Grok Build has 26,820. Aider has the larger community by that measure.
Are Aider and Grok Build free?
Both are open source. Aider is licensed under Apache-2.0 and Grok Build under Apache-2.0. Neither carries a licence fee.
What is the difference between Aider and Grok Build?
Aider is written in Python 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, Aider or Grok Build?
Choose Aider if you want the larger community (49,021 stars) or its Apache-2.0 licence terms. Choose Grok Build if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.