Sentry vs Axiom
Sentry is application monitoring platform focused on error tracking, performance monitoring, and session replay, while Axiom is log management and observability platform with unlimited data ingestion and powerful queries. The biggest difference up front: Axiom is free, while Sentry starts at $26/mo. Sentry is built for development teams that need to catch, triage, and fix errors quickly, whereas Axiom targets developers wanting unlimited log ingestion.
| Feature | Sentry | Axiom |
|---|---|---|
| Free tier available | ✓ | ✓ |
| Open source | ✓ | — |
| Alerts | ✓ | ✓ |
| Dashboards | — | ✓ |
| Error Tracking | ✓ | — |
| Performance Monitoring | ✓ | — |
| Release Tracking | ✓ | — |
| Session Replay | ✓ | — |
| Traces | — | ✓ |
| Unlimited Ingest | — | ✓ |
Pricing: Axiom is completely free (Free 500 GB/mo ingest), which makes it the obvious pick if budget is the top concern. Sentry starts at $26/mo, but Free for 5K errors and 10K performance events/mo. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.
Feature gaps: Sentry offers Error Tracking, Performance Monitoring and Release Tracking that Axiom lacks. Axiom brings Dashboards, Traces and Unlimited Ingest that Sentry does not have. Both share Alerts.
Team fit: Sentry is geared toward any size teams, while Axiom is aimed at small teams teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.
Open source: Sentry is open source, meaning you can self-host, audit the code, and avoid vendor lock-in. Axiom is proprietary — you are trusting the vendor with your data and uptime.
Where each tool shines: Sentry's biggest strengths are: best-in-class error tracking with detailed stack traces. session replay shows exactly what users experienced. Axiom's biggest strengths are: includes unlimited ingest as a core feature, purpose-built for monitoring workflows. customizable dashboards give real-time visibility into project progress.
Watch out for: With Sentry, users commonly note that event-based pricing can get expensive with noisy apps. With Axiom, the main complaint is that free plan exists but key features are locked behind the paid upgrade.
choose Sentry if
- You need a tool built for development teams that need to catch, triage, and fix errors quickly
- You need self-hosting, data sovereignty, or the ability to audit source code
- You specifically need Error Tracking and Performance Monitoring
- You care about session replay shows exactly what users experienced
- Your team size fits the any size profile Sentry is designed for
choose Axiom if
- Your profile matches its sweet spot: developers wanting unlimited log ingestion
- Budget is a hard constraint — Axiom is free, Sentry is not
- You specifically need Dashboards and Traces
- You care about customizable dashboards give real-time visibility into project progress
- Your team size fits the small teams profile Axiom is designed for
frequently asked
What is the difference between Sentry and Axiom?
Sentry is application monitoring platform focused on error tracking, performance monitoring, and session replay, while Axiom is log management and observability platform with unlimited data ingestion and powerful queries. The biggest difference up front: Axiom is free, while Sentry starts at $26/mo. Sentry is built for development teams that need to catch, triage, and fix errors quickly, whereas Axiom targets developers wanting unlimited log ingestion.
Should I use Sentry or Axiom?
Axiom is the free option; Sentry charges $26/mo but may offer more polish. Here is how they compare.
When should I choose Sentry over Axiom?
Choose Sentry if You need a tool built for development teams that need to catch, triage, and fix errors quickly; You need self-hosting, data sovereignty, or the ability to audit source code; You specifically need Error Tracking and Performance Monitoring; You care about session replay shows exactly what users experienced; Your team size fits the any size profile Sentry is designed for.
When should I choose Axiom over Sentry?
Choose Axiom if Your profile matches its sweet spot: developers wanting unlimited log ingestion; Budget is a hard constraint — Axiom is free, Sentry is not; You specifically need Dashboards and Traces; You care about customizable dashboards give real-time visibility into project progress; Your team size fits the small teams profile Axiom is designed for.
related comparisons
Datadog vs Sentry · Sentry vs BetterStack · Sentry vs Grafana · Sentry vs New Relic · Sentry vs Uptime Robot · Sentry vs Checkly · Sentry vs Cronitor · Sentry vs Incident.io