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Microsoft and City University of Hong Kong researchers created Taste-Bench, a new benchmark proving AI agents struggle with long-term decisions. The best model, GPT-5.6 Sol, averaged 59.7 percent accuracy, barely beating a coin flip. While training a student model on Qwen3.6-27B improved performance to 47.9 percent, the study highlights that models collapse when evidence appears only after extensive later work.
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