Sentry vs telemetry.dev
Sentry and telemetry.dev are both uptime & monitoring tools. Sentry is aimed at developers, while telemetry.dev is aimed at developers and small businesses. telemetry.dev costs less, from $25/mo versus $29/mo for Sentry. Both have a free plan.
Error and performance monitoring
OpenTelemetry-based tracing, cost tracking and evals for AI agents
| Pricing | Freemium · $29 | Freemium · $25 |
| Starting price | $29/mo | $25/mo |
| Free plan | Yes | Yes |
| Free trial | 14 days | — |
| Built for | Developers | Developers, Small businesses |
| Platforms | web | web |
| Country | US · 2012 | — |
| Rating | — | — |
Choose Sentry if
Engineering teams of any size that want to know when and why code breaks.
- Best developer experience for debugging errors
- SDKs for everything
- Free tier for individuals
Look elsewhere if: Infrastructure metrics and logs at scale (Datadog, Grafana).
Choose telemetry.dev if
Small teams building AI agents who want affordable tracing, cost tracking, prompt management and evals in one OpenTelemetry-based tool.
- Standard OpenTelemetry avoids proprietary instrumentation lock-in
- Free plan needs no credit card
- Simple per-workspace pricing with unlimited seats on Team
Look elsewhere if: Organizations that need self-hosting, compliance paperwork or full-stack infrastructure monitoring (Datadog, Sentry).
Sentry vs telemetry.dev pricing
Sentry
- Developer$01 user, 5k errors, 5 GB logs
- Team$29/mo$26/mo billed annually; unlimited users, 50k errors
- Business$89/mo$80/mo billed annually; 50k errors, 90-day lookback
- EnterpriseCustomCustom quotas and support
telemetry.dev
- Free$0/mo30,000 units/mo, 14-day retention, 1 project, 2 seats
- Pro$25/mo500,000 units/mo, 30-day retention, 5 projects, 5 seats
- Team$50/mo2M units/mo, 90-day retention, unlimited seats, priority support
Sentry · Key features
- Error tracking with stack traces, breadcrumbs and release tracking
- Performance tracing and profiling
- Session Replay tied to errors
- Cron and uptime monitoring
- Seer AI for root cause and fix suggestions
- Suspect commits, issue ownership and alerting rules
Cons
- Costs scale with event volume; sampling needed
- Self-hosting is heavy
- Alert noise without tuning
telemetry.dev · Key features
- One trace per request or agent run with spans for every model and tool call
- Token, cost, latency and error tracking per span
- TypeScript and Python SDKs plus any OTLP/HTTP exporter
- MCP analytics with failures and p95 duration by method and tool
- Prompt versions, labels and rollouts without a deploy
- Evals on datasets with LLM judges, code checks and human review
Cons
- No self-hosted option
- No legal entity, address or compliance certifications published
- Free retention is only 14 days
Sentry vs telemetry.dev: FAQ
Which is cheaper, Sentry or telemetry.dev?
telemetry.dev starts at $25/mo and Sentry at $29/mo. Both prices are checked on the vendors' own pricing pages.
Do Sentry and telemetry.dev have a free plan?
Yes, both Sentry and telemetry.dev have a free plan; paid plans add more usage and features.
Which is better for small businesses, Sentry or telemetry.dev?
telemetry.dev lists small businesses as a core audience, while Sentry is aimed more at developers.