OpenAI o4-mini Pro Launches with Breakthrough Chain-of-Verification Reasoning
OpenAI released o4-mini Pro, featuring a new chain-of-verification (CoVe) reasoning mechanism that significantly reduces hallucinations in long-form reasoning, math olympiad-level problems, and multi-hop factual retrieval, achieving near-GPT-5.5 performance at much lower inference cost.
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OpenAI o4-mini Pro Launches with Breakthrough Chain-of-Verification Reasoning
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