[KongchangAI]
Unverified50% confidenceSolutionExact time

In its airline refund tool, τ-bench adopts a two-layer design: the tool description layer writes the policy requiring the model to first fetch the order and explicitly fill in expected_* parameters for reasoning; the server layer validates facts such as cabin class, insurance, and order time, with data coming from the database and server clock, not relying on parameters reported by the model.

1
Sources
50%
Confidence
Long-term
Relevance
10/12/2026
First Seen

Sources

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