How @Similarweb evaluates a Deep Research agent when there's no single right ans
Source
langchain.com
Author
LangChain
Date
Why it matters
When an AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → has no single correct answer, golden-answer matching fails. Per-criterion rubrics with explicit anchors, faithfulness checks, and baseline comparisons linked to traces let you tell a real regression from a miscalibrated rubric.
Terms in this piece · Glossary
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
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