Langfuse

Founded by Clemens Rawert & Marc Klingen & Max Deichmann in 2023

Open-source LLM engineering platform for observability, evaluation, and prompt management.

Cost

Free Tier, Paid

Rating

★ People love it

Time to value

Quick Setup (< 1 hour)

Use Langfuse to debug, evaluate, and improve your LLM applications. Langfuse offers tracing, prompt management, evaluations, and metrics to help teams build production-grade LLM applications faster. It integrates with popular frameworks like LangChain and LlamaIndex and supports both cloud and self-hosted deployments.

What Langfuse does

Tracing and debugging LLM application workflowsManaging and versioning promptsEvaluating LLM outputs using various methodsMonitoring application metrics and performanceCollaborating on LLM application developmentComprehensive tracing for LLM applicationsCollaborative prompt managementFlexible evaluation methods including LLM-as-a-judgeDetailed metrics and analyticsSupport for both cloud and self-hosted deployments

Frequently asked

LangChain

OpenAI

Vercel

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