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Langfuse vs Sentry

Reviewed byRoman K
Tagline
Langfuse: LLM engineering platform
Sentry: Application monitoring & error tracking
Pricing Model
Langfuse: freemium
Sentry: freemium
Starting Price
Langfuse: $0/mo
Sentry: $26/mo
Free Plan
Langfuse: Yes
Sentry: Yes
GitHub Stars
Langfuse: 11.2k
Sentry: 44.2k
npm Downloads/wk
Langfuse: 120.0k
Sentry: 26.0M
GitHub Forks
Langfuse: 1.1k
Sentry: 4.7k
Open Issues
Langfuse: 200
Sentry: 2.1k
Tags
Langfuse: llm-engineering, observability, prompt-management, open-source
Sentry: error-tracking, apm, open-source, session-replay

Langfuse vs Sentry: which to choose

Sentry has the larger community with 44.2k GitHub stars against 11.2k for Langfuse, which usually means more integrations, examples and third-party help when you get stuck.

Both charge from day one, but Langfuse starts lower at $0/mo versus $26/mo for Sentry.

Choose Langfuse if you lean toward llm-engineering and observability; choose Sentry if error-tracking and apm matters more for your stack. All figures above are pulled from live GitHub and pricing data, not vendor marketing.

Frequently asked questions

Is Langfuse or Sentry better?

It depends on your priorities. Langfuse has 11.2k GitHub stars and uses a freemium pricing model, while Sentry has 44.2k stars and uses a freemium model. Both offer a free plan so you can try each before committing.

Is Langfuse cheaper than Sentry?

Langfuse starts at $0/mo while Sentry starts at $26/mo. Langfuse has a free plan. Sentry has a free plan.

What are the main differences between Langfuse and Sentry?

Langfuse is tagged as llm-engineering, observability, prompt-management while Sentry is tagged as error-tracking, apm, open-source. Langfuse uses a freemium pricing model and has a community of 11.2k GitHub stars. Sentry uses a freemium model with 44.2k GitHub stars.

Does Langfuse or Sentry have a free plan?

Yes, both Langfuse and Sentry offer a free plan.

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