Langfuse's September 2025 update introduced several new features and enhancements, notably the launch of their first AI feature, a new high-level SDK for experiment running, and the graduation of the TypeScript SDK v4 to general availability. The update also included structured output support for prompt experiments and a significant price reduction for the Core plan, now available at $29 per month. The Experiment Runner SDK simplifies running experiments on datasets with built-in automatic tracing and concurrent execution, while natural language filtering allows users to create filters using plain English. Additionally, Langfuse introduced a self-serve Enterprise Cloud plan for teams requiring advanced security and scalability. Khan Academy has utilized Langfuse's API to enhance its Khanmigo AI, demonstrating successful adoption across various teams for improved iteration and visibility.