Instrument LLM and agent applications with tracing and automated evals

Teams add dedicated observability layers to their LLM and RAG applications, capturing traces of every call, running automated evaluations against test sets, and dashboarding the results. This turns debugging and quality assurance of LLM apps into a continuous, measurable process instead of manual spot checks.

Evidence:

• https://langfuse.com/
• https://www.comet.com/docs/opik/