Langfuse

Open source LLM engineering platform - LLM observability, metrics, evaluations, prompt management.

Langfuse Used by 19 of Fortune 50 10+ billion observations/month 100,000+ engineers building on Langfuse Used by 19 of Fortune 50 10+ billion observations/month 100,000+ engineers building on Langfuse Used by 19 of Fortune 50 10+ billion observations/month 100,000+ engineers building on Langfuse Open Source AI Engineering Platform Trace and evaluate AI Agents. Collaborate with your team to continuously improve quality, cost and latency of your application. Start free S Documentation D Read story Read story Read story Read story Gain deep visibility into your traces Launch, observe, improve — r

saved by

• Yung-Hsuan Yang
• Mert Bozkır
• Sophie Tran

related reading

• LangChain: the open agent platform to own your intelligencelangchain.com
• goose | Your open source AI agentblock.github.io
• GitHub - deepset-ai/haystack: Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.github.com
• Patterns for Building LLM-based Systems & Productseugeneyan.com
• langfuse API documentationpython.reference.langfuse.com
• LLM Powered Autonomous Agents | Lil'Loglilianweng.github.io
• Why We Built Our Own Background Agentbuilders.ramp.com
• PromptLayer — Prompt Management, Evals & Observabilitypromptlayer.com
• Advanced AI Workflow Automation Software & Tools - n8nn8n.io
• castform - the training platform for the ai engineercgft.io
• GitHub - Arize-ai/phoenix: AI Observability & Evaluationgithub.com
• GitHub - open-compass/opencompass: OpenCompass is an LLM evaluation platform, supporting a wide range of models (Llama3, Mistral, InternLM2,GPT-4,LLaMa2, Qwen,GLM, Claude, etc) over 100+ datasets.github.com