langfuse

by langfuse

TypeScript

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

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Topics

#analytics#autogen#evaluation#langchain#large-language-models#llama-index#llm#llm-evaluation#llm-observability#llmops#monitoring#observability#open-source#openai#playground#prompt-engineering#prompt-management#self-hosted#ycombinator

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Other

Created

May 18, 2023

Last Updated

September 14, 2025

Owner Type

Organization

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