Langfuse

Langfuse is a tool designed for building, monitoring, and improving LLM-powered applications and AI agents. It provides granular observability, tracing, session tracking, and prompt management for large language model (LLM) workflows. Developers can integrate Langfuse into their stacks with SDKs or OpenTelemetry, manage multi-modal data, run evaluations, and handle annotations, making it ideal for production and enterprise AI teams.