head to head · open source
Sentry vs Logfire
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. Logfire has 4,480 stars, 289 forks, 191 open issues and last shipped today. Sentry leads on adoption by 900% (44,806 vs 4,480 stars). Sentry is written in Python under a custom or non-standard licence; Logfire is written in Python under MIT. Sentry has attracted 11% as many forks as stars, Logfire 6%. Logfire 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
| Sentry | Logfire | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 4.5K |
| License | Custom / other | MIT |
| Written in | Python | Python |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 4.9K | ⑂ 289 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sentry if
- You weight community size — 45K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Logfire if
- You want the Logfire feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and Logfire fits your workflow better
About Sentry
Sentry is an open source debugging platform for detecting, tracing, and fixing software issues in real time. It lives in the developer infrastructure ecosystem and provides error tracking and performance monitoring across languages, frameworks, and runtime environments.
read the full Sentry overview →
About Logfire
Pydantic Logfire is an observability platform for Python applications, with a focus on AI systems, LLM apps, and agents. The project lives in the Python and OpenTelemetry ecosystem. The repository contains the MIT licensed Python SDK and documentation, while the server application for recording and displaying data is closed source.
read the full Logfire overview →
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Frequently asked questions
Is Sentry or Logfire more popular?
Sentry has 44,806 GitHub stars and Logfire has 4,480. Sentry has the larger community by that measure.
Are Sentry and Logfire free?
Both are open source. Sentry has no licence declared in this registry, and Logfire is licensed under MIT. Both are free to self-host.
What is the difference between Sentry and Logfire?
Sentry is written in Python and Logfire in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Sentry or Logfire?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose Logfire if its feature set, stack or MIT licence fits better. Both are self-hostable.