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Chain-of-Verification Reduces Hallucination in Large Language Models

Contribution grade

LLM factuality and grounded generation · Human-designed research method or resource

Reference score110,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Plans verification questions from an initial answer, answers them in separate contexts and revises the response; factored variants reduce direct copying of initial errors.

Scientific scope

Plans verification questions from an initial answer, answers them in separate contexts and revises the response; factored variants reduce direct copying of initial errors. Verification remains model-generated, not an external truth oracle. Original work does not explore tools; factored questions require additional prompts and compute. Reported reductions do not guarantee correction of every false answer.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Verification remains model-generated, not an external truth oracle. Original work does not explore tools; factored questions require additional prompts and compute. Reported reductions do not guarantee correction of every false answer.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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