LangChain Launches Tuned Evaluators to Reduce Evaluation Costs by 82%
LangChain · x · 2026-08-19
LangChain released LangSmith Tuned Evaluators to automatically score agent behavior in production. The first metric, Perceived Error, tracks signals like user corrections or rejections to gauge experience. Benchmarks show the specialized model outperforms frontier models and cuts evaluation costs by 82%.
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