Calibrated rewards curb answer degradation during verifiable instruction training

CaLIF supplements constraint-verification rewards with bounded response-likelihood signals, helping models follow formatting constraints without sacrificing substantive answers.

Top University
Sangyeon Yoon · Wooseok Seo · Hamish Ivison · Hyesoo Hong · Donghoon Kim · Wonjun Kang · +2 more

Yonsei University · University of Washington · FuriosaAI

Research Digest··3 min read
Yoon and colleagues show that programmatic instruction-following verifiers can award full credit to responses that satisfy output constraints while barely addressing the underlying request.

The authors examined IFBench, which adds programmatically checkable output constraints to user requests.

Why this paper

From University of Washington and 2 others

In one line

Calibrating likelihood against a reference policy reduces reward hacking in verifiable instruction following.

What we could check

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  • ✓Reports numbers on named benchmarks

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Research Digest

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