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About this paper

Yanbei Jiang, Chao Lei, Rena Gao, Xiaochen Zhao, Yuchen Ge, Haohang Liu, Runze Nie, Qitian Chen and 12 more

CARE trains customer-service models from verified production failures. It attributes failures, truncates examples at the first model error, and uses a frozen self-teacher with privileged hindsight unavailable to the student. After five iterations, V5 scored 96.07 on the combined offline measure, nearly matching GPT-5.4’s 96.10, while online satisfaction was statistically at parity; testing covered only latest SOP and an unvalidated simulator.

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