Langfuse
Trace, evaluate, and improve AI agents with one open platform. Use production data to understand behavior, collaborate on fixes, and ship better quality at lower cost and latency.
Langfuse at a Glance
- Pricing
- Free
- How you use it
- Web app, SDKs, APIs, CLI, MCP server, or self-hosted deployment
- Who it's for
- Developers and teams building LLM applications and AI agents
- Works with
- LangChain OpenAI Anthropic CrewAI Vercel AI SDK
Langfuse Key Features
- Agent evaluation
- Cost monitoring
- LLM observability
- Prompt management
- Trace analysis
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