head to head · open source
pi vs Pullfrog
pi has 119,586 GitHub stars, 15,353 forks, 202 open issues and last shipped yesterday. Pullfrog has 1,415 stars, 90 forks, 11 open issues and last shipped 2 days ago. pi leads on adoption by 8,351% (119,586 vs 1,415 stars). pi is written in TypeScript under MIT; Pullfrog is written in TypeScript under MIT. pi has attracted 13% as many forks as stars, Pullfrog 6%. pi 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
| pi | Pullfrog | |
|---|---|---|
| GitHub stars | ★ 120K | ★ 1.4K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 15K | ⑂ 90 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pi if
- You weight community size — 120K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Pullfrog if
- You want the Pullfrog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Pullfrog fits your workflow better
About pi
New issues and PRs from new contributors are auto closed by default. Maintainers review auto closed issues daily. See CONTRIBUTING.md. Pi Agent Harness This is the home of the Pi agent harness project including our self extensible coding agent. @earendil works/pi coding agent : Interactive coding agent CLI @earendil works/pi agent core : Agent runtime with tool calling and state management @earendil works/pi ai : Unified multi provider LLM API (OpenAI, Anthropic, Google, …) To learn more about Pi: Visit pi.dev, the project website with demos Read the documentation, but you can also ask the agent to explain…
About Pullfrog
Pullfrog The BYOK CodeRabbit that runs in your GitHub Actions pullfrog.com · Docs · Console · Discord New — Pullfrog is now free for personal and open source usage. What is Pullfrog? Pullfrog is the BYOK CodeRabbit that runs in your GitHub Actions. It listens for GitHub events — PRs opened, issues created, reviews submitted, CI failures — and triggers agent runs based on your configuration, via a pullfrog.yml workflow that uses this open source action. You control the infrastructure, the keys, and the costs. Pullfrog is not an agent itself. It wraps vanilla Claude Code , Codex , and OpenCode , selecting the one…
read the full Pullfrog overview →
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Frequently asked questions
Is pi or Pullfrog more popular?
pi has 119,586 GitHub stars and Pullfrog has 1,415. pi has the larger community by that measure.
Are pi and Pullfrog free?
Both are open source. pi is licensed under MIT and Pullfrog under MIT. Neither carries a licence fee.
What is the difference between pi and Pullfrog?
pi is written in TypeScript and Pullfrog 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, pi or Pullfrog?
Choose pi if you want the larger community (119,586 stars) or its MIT licence terms. Choose Pullfrog if its feature set, stack or MIT licence fits better. Both are self-hostable.