Blog
The latest updates from Langfuse. See Changelog for more product updates.
Introducing Litefuse: Agent Observability and Evaluation Platform, without the Operational Tax
Litefuse is a lightweight, agent-native fork of Langfuse. Two processes instead of six, ~80% less storage, built-in support for popular open-source agents, and full compatibility with the Langfuse SDK. Read more →
2026/04/23
What's Agent Observability and Why It Matters?
AI agents break the assumptions that traditional observability was built on. Here is what changes, what you need to capture, and why it is the foundation everything else — evaluation, reliability, cost control — depends on. Read more →
2026/04/20
Evaluation-Driven Development (EDD) for AI Agents
Why shipping reliable AI agents demands a tight loop of offline experiments, online monitoring, and a continuously growing evaluation dataset — and how to actually put it into practice. Read more →
2026/04/15