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Langfuse
AICores
Open-source LLM observability and analytics platform
54 reviews
Has API
Langfuse is essential for any team running LLM applications in production. The tracing and cost tracking provide visibility you cannot get otherwise.
What's great
- Open-source and self-hostable
- Excellent tracing
- Cost tracking per request
Watch out for
- Only useful for LLM apps
- Requires integration effort
- Analytics depth still improving
Quick Facts
PricingFrom $59/mo
Free tierNo
PlatformsWeb
APIAvailable
CategoryAnalytics & Data
Q: What is Langfuse?
Langfuse provides tracing, analytics, and evaluation for LLM applications. It tracks prompts, completions, costs, and latency across your AI pipeline with an open-source, self-hostable architecture.
Q: How much does Langfuse cost?
Langfuse starts at $59/mo.
Q: Who is Langfuse best for?
Langfuse is best for ai engineering teams that need observability into their llm application performance and costs.
Q: Is Langfuse free?
Yes, Langfuse is completely free and open source.
Best for
AI engineering teams that need observability into their LLM application performance and costs
Not ideal for
Teams not building custom LLM applications
Starter
$59/mo
1
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AICores Editorial Review
Reviewed by AICores Editorial Team
Last updated: May 2026
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