Opsis vs Sentry: from a stack trace to a reproduced, fixed flow
Sentry is superb at catching exceptions and performance regressions, and Opsis connects to it. The difference: Sentry tells you an error was thrown; Opsis tells you which user-facing flow broke, replays it in a real browser, and writes the fix. And the costliest bugs (a dead-end checkout, a silent validation failure) often throw no exception at all.
At a glance
| Dimension | Opsis | Sentry |
|---|---|---|
| Primary job | Find, prove & fix user-facing bugs | Error & performance monitoring |
| Catches errors with no exception | Yes, behavioural signals | No, needs a thrown error |
| Reproduces the flow in a browser | Yes, via Opsis MCP | – |
| Proof video of the failure | Yes | No (trace, not video) |
| Hands you a copy-paste fix | Yes, per finding | – |
| Re-verifies the fix | Yes, Fixed is earned | Resolve is manual |
| Backend / server crash traces | No (front-of-app focus) | Yes |
Opsis
Sentry
What Sentry is great at
Excellent error & performance monitoring
Sentry captures exceptions with full stack traces, breadcrumbs, releases and performance traces. For backend and crash visibility it's outstanding.
Alerting and triage at scale
Issue grouping, ownership, and alerting make Sentry a strong operational tool for engineering teams.
A stack trace isn't a reproduced bug, and many UX failures never throw.
Sentry tells you that something threw and where in the code, not whether the signup actually completes, whether the bug reproduces, or how to fix the user-facing flow. And a huge class of real bugs (a button that does nothing, a form that rejects valid input, a checkout that dead-ends) raises no exception at all, so it never reaches Sentry.
How they fit together
Connect Sentry to Opsis in one OAuth click. Opsis correlates Sentry issues with real sessions, reproduces the user-facing failure via Opsis MCP (video, trace, logs), and ships a guard-railed fix. Sentry stays your error monitor; Opsis proves and closes the loop.
When to use which
Use Sentry
Reach for Sentry when you need exception tracking, release health, and performance traces across your stack; it's the operational error layer.
Use Opsis
Reach for Opsis when you need the broken user flow reproduced and proven (including the silent failures that never throw), with a fix ready to paste.
Together
Best together: Sentry flags the exceptions, Opsis reproduces the user-facing failure on video and proves the fix. One OAuth click connects them.
Questions
Does Opsis replace Sentry?
No. Opsis reads Sentry issues (read-only OAuth) and adds reproduction, proof and a fix on top. Keep Sentry for error and performance monitoring.
Can Opsis catch bugs Sentry misses?
Yes, the ones that throw no exception. A button that does nothing or a checkout that dead-ends produces behavioural signals (rage clicks, abandonment, failed requests) that Opsis detects even when nothing is logged to Sentry.