Knowing When to Abstain: Medical LLMs Under Clinical Uncertainty (2026.eacl-long)
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Sravanthi Machcha, Sushrita Yerra, Sahil Gupta, Aishwarya Sahoo, Sharmin Sultana, Hong Yu, Zonghai Yao
| Challenge: | Current evaluation of large language models prioritizes accuracy, but abstention is vital for trustworthy deployment. |
| Approach: | They propose a benchmark and evaluation protocol for abstention in medical multiple-choice question answering . they integrate conformal prediction, adversarial question perturbations, and explicit abstraction options. |
| Outcome: | The proposed protocol improves reliability of medical multiple-choice question answering models by providing explicit abstention options. |
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