Langfuse integrates with any LLM app, offering full execution traces in five minutes with the Langfuse Callback Handler. It also provides SDKs for Python and JS/TS, a Web SDK for capturing user feedback and quality scores, and an API for more control. The tool is committed to open source and is easy to run locally and self-hosted. Pricing ranges from a free plan for hobby and pre-launch projects to a Pro plan at $95/month for production usage, and a custom-priced Enterprise plan for enterprise-grade projects.
Key takeaways:
- Langfuse is an open source observability and analytics tool for LLM applications, providing detailed production traces and a granular view on quality, cost, and latency.
- It offers prebuilt analytics based on ingested data, helping teams focus on the most important metrics when improving their LLM app, including cost, quality, and latency tracking.
- Langfuse integrates with any LLM app, offering Langchain integration, SDKs for Python & JS/TS, a Web SDK, and an API for more control.
- It offers simple pricing for projects of all sizes, including a free Hobby plan, a Pro plan at $95/month, and a customizable Enterprise plan with dedicated solutions and support.