Why2Speak: Faithful Reasoning for Abstaining Action Policies
Quick summary
arXiv:2608.20670v1 Announce Type: new Abstract: Many agentic systems must repeatedly choose between acting and abstaining, making faithful reasoning important for oversight: an explanation is useful only if it reflects the computation that produced the action. We study this problem through intervention timing in multi-party conversation, where an assistant must decide whether to speak or remain silent. This setting exposes class imbalance, asymmetric action costs, and the possibility that exposing reasoning changes the policy being audited. Using Qwen3-8B, decoded with or without chain-of-thou
Key takeaways
- arXiv:2608.20670v1 Announce Type: new Abstract: Many agentic systems must repeatedly choose between acting and abstaining, making faithful reasoning important for oversight: an explanation is useful only if it reflects the computation that produced the action.
- We study this problem through intervention timing in multi-party conversation, where an assistant must decide whether to speak or remain silent.
- This setting exposes class imbalance, asymmetric action costs, and the possibility that exposing reasoning changes the policy being audited.
Why it matters
“Why2Speak: Faithful Reasoning for Abstaining Action Policies” should be evaluated beyond branding and benchmark scores. Its practical importance will emerge in task accuracy, latency, unit cost, safety and integration with real workflows.

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