head to head · open source
Sentry vs opentelemetry-php
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. opentelemetry-php has 912 stars, 232 forks, 97 open issues and last shipped today. Sentry leads on adoption by 4,813% (44,806 vs 912 stars). Sentry is written in Python under a custom or non-standard licence; opentelemetry-php is written in PHP under Apache-2.0. Sentry has attracted 11% as many forks as stars, opentelemetry-php 25%. opentelemetry-php 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 | opentelemetry-php | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 912 |
| License | Custom / other | Apache-2.0 |
| Written in | Python | PHP |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 4.9K | ⑂ 232 |
| 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 opentelemetry-php if
- You want the opentelemetry-php feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches PHP
- You evaluated both and opentelemetry-php 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 opentelemetry-php
OpenTelemetry PHP is the official PHP implementation of OpenTelemetry: a monorepo of Composer packages published on Packagist that provide tracing, metrics, and logging APIs, an SDK, context propagation, semantic conventions, and an OTLP exporter for PHP applications, aimed at PHP developers and platform teams who must instrument services and ship telemetry to an observability backend.
read the full opentelemetry-php overview →
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Frequently asked questions
Is Sentry or opentelemetry-php more popular?
Sentry has 44,806 GitHub stars and opentelemetry-php has 912. Sentry has the larger community by that measure.
Are Sentry and opentelemetry-php free?
Both are open source. Sentry has no licence declared in this registry, and opentelemetry-php is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and opentelemetry-php?
Sentry is written in Python and opentelemetry-php in PHP. 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 opentelemetry-php?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose opentelemetry-php if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.