Avs
Axiom vs Sentry
Comparing two monitoring & error tracking platforms on pricing, features, free tier, and trade-offs.
Quick summary
Axiom — Intelligent, accessible observability. Axiom is a cloud-native logging and observability platform with generous ingestion pricing.
Sentry — Application monitoring and error tracking. Sentry is an application monitoring platform for error tracking, performance, and session replay.
Feature comparison
| Feature | Axiom | Sentry |
|---|---|---|
| Pricing model | Freemium | Freemium |
| Starting price | $25/mo | $26/mo |
| Free tier | Yes | Yes |
| Open source | No | Yes |
| Logs | Yes | No |
| SDKs | HTTP/OTel | 100+ |
| Free Tier | 500GB/mo ingest | 5k errors/mo |
| Self-hosted | No | Yes |
| Error Tracking | No | Yes |
| Session Replay | No | Yes |
| Performance Monitoring | No | Yes |
A
Axiom
Intelligent, accessible observability
Pros
- Huge free tier for logs
- Fast query engine
- OpenTelemetry native
Cons
- Logs-focused, not full APM
- Younger platform
Sentry
Application monitoring and error tracking
Pros
- Best-in-class error tracking
- Huge SDK coverage
- Open source, self-hostable
Cons
- Can be expensive at scale
- Pricing can be complex
Which should you choose?
Choose Axiom if a free tier is important for your stage. Choose Sentry if you value open source and want the option to self-host, and a free tier is important for your stage.
Frequently asked questions
Which is better, Axiom or Sentry?
There is no universal “better.” For most teams, Sentry is the safer default because Sentry is open source, which means you can self-host and avoid vendor lock-in. Axiom is proprietary. For edge cases, the comparison table above highlights where each tool wins.
Is Axiom cheaper than Sentry?
Axiom starts at $25/mo, while Sentry starts at $26/mo. Exact costs depend on usage — check both vendors' calculators before committing.
Can I migrate from Axiom to Sentry?
Migration difficulty depends on how deeply Axiom-specific features (APIs, SDK conventions, data schemas) are baked into your app. Most monitoring & error tracking migrations take days to weeks. Both vendors typically publish migration guides — check their docs.
Is Axiom or Sentry open source?
Sentry is open source; Axiom is a proprietary managed service.
Does Axiom or Sentry have a free tier?
Both Axiom and Sentry offer a free tier.
Which is best for startups and indie hackers?
Startups usually optimize for the lowest friction to ship and the cheapest possible free tier. The one with the most generous free tier here is Sentry. For production workloads, revisit the trade-offs in the feature table above.