Langfuse.com
Open-source LLM engineering platform for observability, prompt management, evaluations, and metrics to debug and improve AI applications.
About
Langfuse is an open-source LLM engineering platform that helps teams build, monitor, and continuously improve production-grade LLM applications and AI agents. It provides tracing, prompt management, evaluations, experiments, and human annotation workflows in one integrated platform, supporting the full development lifecycle from prototype to production. The platform is used by 2,300+ companies including 19 Fortune 50 organizations and processes over 10 billion observations monthly.
Core use cases
- LLM tracing and observability for production applications
- Prompt management with version control and rollbacks
- Evaluation and experiment tracking for AI models
- AI type
- AI-native
- Primary product type
- AI Observability Tool
- Secondary product type
- AI Governance Tool
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