head to head · open source
Agent-Reach vs promptfoo
Agent-Reach has 83,525 GitHub stars, 7,317 forks, 137 open issues and last shipped 5 days ago. promptfoo has 25,297 stars, 2,344 forks, 651 open issues and last shipped today. Agent-Reach leads on adoption by 230% (83,525 vs 25,297 stars). Agent-Reach is written in Python under MIT; promptfoo is written in TypeScript under MIT. Agent-Reach has attracted 9% as many forks as stars, promptfoo 9%. promptfoo 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.
← all 20902 open source comparisons
Side by side
| Agent-Reach | promptfoo | |
|---|---|---|
| GitHub stars | ★ 84K | ★ 25K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-15 | 2026-09-20 |
| Forks | ⑂ 7.3K | ⑂ 2.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Agent-Reach if
- You weight community size — 84K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick promptfoo if
- You want the promptfoo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and promptfoo fits your workflow better
About Agent-Reach
Agent Reach is an open source Python command line tool that gives AI agents the ability to read and search the wider internet — Twitter/X, Reddit, YouTube, GitHub, Bilibili, and XiaoHongShu among others — for developers and agent builders who want that reach without paying for platform APIs.
read the full Agent-Reach overview →
About promptfoo
Promptfoo is an open source command line tool and TypeScript library for evaluating and red teaming large language model applications, aimed at developers, AI engineers, and security teams who need measurable evidence that a prompt, agent, or retrieval augmented generation pipeline behaves correctly and safely before it reaches users.
read the full promptfoo overview →
More in AI & Machine Learning
Related comparisons
More AI Development Platforms projects
Compare either of these against the rest of the AI Development Platforms field.
Frequently asked questions
Is Agent-Reach or promptfoo more popular?
Agent-Reach has 83,525 GitHub stars and promptfoo has 25,297. Agent-Reach has the larger community by that measure.
Are Agent-Reach and promptfoo free?
Both are open source. Agent-Reach is licensed under MIT and promptfoo under MIT. Neither carries a licence fee.
What is the difference between Agent-Reach and promptfoo?
Agent-Reach is written in Python and promptfoo 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, Agent-Reach or promptfoo?
Choose Agent-Reach if you want the larger community (83,525 stars) or its MIT licence terms. Choose promptfoo if its feature set, stack or MIT licence fits better. Both are self-hostable.