Langfuse v4, day 2 (3 of 10): two well-known agents instrumented, Open Deep Research and GPT ResearcherSep 14, 2026
Langfuse v4, day 2 (2 of 10): putting LangGraph in front, and what one agent turn costs in observationsSep 13, 2026
Langfuse v4, day 2 (1 of 10): the data model changed underneath, and what really goes into a traceSep 12, 2026