Langfuse now supports OpenAI GPT-5.1 with day 1 support for the LLM playground, LLM-as-a-judge evaluations, and comprehensive cost tracking. Start experimenting with GPT-5.1 in the Langfuse LLM playground, leverage it for LLM-as-a-judge evaluations, and monitor usage with comprehensive cost tracking capabilities.
Fetched April 13, 2026