百川推出最低幻觉循证增强医疗大模型M3 Plus，并发起「海纳百川」计划

Core Insights - Baichuan Intelligence has launched Baichuan-M3 Plus, which significantly improves accuracy and reliability in serious medical scenarios, surpassing its predecessor M3 and achieving a new world record [2] - The M3 model has outperformed GPT-5.2 in various authoritative evaluations, achieving a hallucination rate of only 3.5%, and M3 Plus further reduces this to 2.6%, a decrease of over 30% compared to GPT-5.2 [2][4] - The introduction of the "Evidence Anchoring" technology ensures that every medical conclusion generated by the model is directly traceable to specific evidence segments in original papers or guidelines, achieving a matching accuracy of over 95% [4] Technical Innovations - M3 Plus employs a unique reinforcement learning paradigm called Fact-Aware RL, which significantly reduces hallucination rates without the use of external tools, achieving state-of-the-art (SOTA) levels [2] - The system architecture has been comprehensively restructured, utilizing key technologies such as MoE architecture optimization and Gated Eagle-3 speculative decoding, resulting in a 70% reduction in API call costs compared to the previous generation [9] Industry Impact - Baichuan has launched the "Haina Baichuan" initiative, offering the world's lowest hallucination evidence-enhanced medical model as a free API to Chinese medical institutions, aiming to foster the domestic AI medical ecosystem [9] - This initiative represents a commitment to advancing AI in healthcare, ensuring that every healthcare worker in China has access to reliable and effective AI assistance, ultimately benefiting public health [9]