head to head · open source
Aider vs Kodus
Aider has 49,068 GitHub stars, 4,977 forks, 1,860 open issues and last shipped 4 months ago. Kodus has 1,407 stars, 153 forks, 100 open issues and last shipped yesterday. Aider leads on adoption by 3,387% (49,068 vs 1,407 stars). Aider is written in Python under Apache-2.0; Kodus is written in TypeScript under a custom or non-standard licence. Aider has attracted 10% as many forks as stars, Kodus 11%. Kodus 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 | Kodus | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 1.4K |
| License | Apache-2.0 | Custom / other |
| Written in | Python | TypeScript |
| Last push | 2026-05-22 | 2026-09-19 |
| Forks | ⑂ 5.0K | ⑂ 153 |
| 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 Kodus if
- You want the Kodus feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Kodus 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 Kodus
Kodus is an AI code review tool for teams that integrates with GitHub, GitLab, Bitbucket, and Azure Repos. It lives in the Developer Tools / AI Assisted Coding ecosystem and is distributed as a TypeScript monorepo. The project centers on Kody, an AI agent that reviews pull requests, flags risks by severity, and suggests fixes inside the normal review workflow.
read the full Kodus overview →
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Frequently asked questions
Is Aider or Kodus more popular?
Aider has 49,068 GitHub stars and Kodus has 1,407. Aider has the larger community by that measure.
Are Aider and Kodus free?
Both are open source. Aider is licensed under Apache-2.0, and Kodus has no licence declared in this registry. Both are free to self-host.
What is the difference between Aider and Kodus?
Aider is written in Python and Kodus in TypeScript. 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 Kodus?
Choose Aider if you want the larger community (49,068 stars) or its Apache-2.0 licence terms. Choose Kodus if its feature set, stack or Custom / other licence fits better. Both are self-hostable.