head to head · open source
pr-agent vs reviewdog
pr-agent has 13,074 GitHub stars, 1,864 forks, 102 open issues and last shipped yesterday. reviewdog has 9,601 stars, 495 forks, 131 open issues and last shipped yesterday. pr-agent leads on adoption by 36% (13,074 vs 9,601 stars). pr-agent is written in Python under MIT; reviewdog is written in Go under MIT. pr-agent has attracted 14% as many forks as stars, reviewdog 5%. pr-agent was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (code-review), so they are genuine substitutes rather than adjacent tools.
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
| pr-agent | reviewdog | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 9.6K |
| License | MIT | MIT |
| Written in | Python | Go |
| Last push | 2026-09-19 | 2026-09-19 |
| Forks | ⑂ 1.9K | ⑂ 495 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pr-agent if
- You weight community size — 13K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick reviewdog if
- You want the reviewdog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and reviewdog fits your workflow better
About pr-agent
PR Agent is an open source, AI powered code review agent, maintained by the community as a legacy project of Qodo, for development teams that want automated pull request review running on their own infrastructure with their own model keys.
read the full pr-agent overview →
About reviewdog
reviewdog is an automated code review tool written in Go and released under the MIT license. It lives in the version control and collaboration space of the developer tooling ecosystem, and it integrates with code analysis tools regardless of programming language. Rather than performing analysis itself, reviewdog consumes the output of existing linters and static analysis tools and turns those findings into review comments on code hosting services. The project has been published for roughly ten years, carries more than nine thousand stars and close to five hundred forks, and its topic list covers CI, linting, stat…
read the full reviewdog overview →
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Frequently asked questions
Is pr-agent or reviewdog more popular?
pr-agent has 13,074 GitHub stars and reviewdog has 9,601. pr-agent has the larger community by that measure.
Are pr-agent and reviewdog free?
Both are open source. pr-agent is licensed under MIT and reviewdog under MIT. Neither carries a licence fee.
What is the difference between pr-agent and reviewdog?
pr-agent is written in Python and reviewdog in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, pr-agent or reviewdog?
Choose pr-agent if you want the larger community (13,074 stars) or its MIT licence terms. Choose reviewdog if its feature set, stack or MIT licence fits better. Both are self-hostable.