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Langfuse

Open LLM engineering and trace store.

Official site

Directory projects (5)

  • Langfuse

    Open LLM engineering hub for traces, prompts, scores, and datasets.

  • Helicone

    Logging proxy that surfaces cost, latency, and error rates per route.

  • OpenLIT

    Telemetry for GenAI apps with dashboards for cost and quality drift.

  • OpenLLMetry

    OpenTelemetry instrumentation tailored to LLM and vector DB calls.

  • LangWatch

    Simulation-style tests for agents before you ship prompt changes.