head to head · open source
pr-agent vs zeroshot
pr-agent has 13,255 GitHub stars, 1,927 forks, 102 open issues and last shipped yesterday. zeroshot has 1,919 stars, 180 forks, 3 open issues and last shipped yesterday. pr-agent leads on adoption by 591% (13,255 vs 1,919 stars). pr-agent is written in Python under MIT; zeroshot is written in Rust under MIT. pr-agent has attracted 15% as many forks as stars, zeroshot 9%. pr-agent was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (code-review, coding-assistant), 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 | zeroshot | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 1.9K |
| License | MIT | MIT |
| Written in | Python | Rust |
| Last push | 2026-10-03 | 2026-10-03 |
| Forks | ⑂ 1.9K | ⑂ 180 |
| 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 zeroshot if
- You want the zeroshot feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and zeroshot 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 zeroshot
Zeroshot is an open source, MIT licensed Rust CLI that orchestrates coding agents as an explicit review graph for developers who want AI written changes verified by agents other than the one that wrote them.
read the full zeroshot overview →
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Frequently asked questions
Is pr-agent or zeroshot more popular?
pr-agent has 13,255 GitHub stars and zeroshot has 1,919. pr-agent has the larger community by that measure.
Are pr-agent and zeroshot free?
Both are open source. pr-agent is licensed under MIT and zeroshot under MIT. Neither carries a licence fee.
What is the difference between pr-agent and zeroshot?
pr-agent is written in Python and zeroshot 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, pr-agent or zeroshot?
Choose pr-agent if you want the larger community (13,255 stars) or its MIT licence terms. Choose zeroshot if its feature set, stack or MIT licence fits better. Both are self-hostable.