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Langfuse
RisingWhat is Langfuse?
Open-source LLM observability platform. Traces, evals, prompt management, and metrics in one tool. Self-hostable alternative to LangSmith with a generous free cloud tier.
Heat Score54
Heat score updated May 22, 2026
+287d
+2030d
High momentum
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Signal analysis
Langfuse is in a rising phase with strong momentum (score: 54). Up 28 pts just this week. Rising tools in the Developer Tools space are typically in their high-growth window — active development, growing integrations, and a community that's generating real content around them.Pricing
freemium
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