Langfuse launched a faster interactive workflow for building evaluators, allowing developers to test templates directly against live production traces with visual variable mapping.

Key Takeaways

  • βœ“Production-first testing ensures judges and assertions are validated on actual user interaction traces;
  • βœ“Visual variable mapping streamlines passing nested telemetry span fields into evaluation prompts;
  • βœ“Significantly reduces the setup time required to establish robust automated LLM quality gates.
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