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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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