LangChain Launches Tuned Evaluators, Cuts Costs by 82%
hwchase17 · x · 2026-08-19
LangChain announced the launch of LangSmith Tuned Evaluators, starting with Perceived Error.
- These evaluators run on production traces to catch undesirable agent behavior and provide feedback for improvement processes.
- In benchmark tests, the tuned model outperformed frontier models at 82% lower cost.
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