反超OpenAI，百川宣布开源医疗大模型发布

Group 1 - Baichuan Intelligent has launched the open-source medical enhancement model Baichuan-M2, claiming to surpass OpenAI's latest models in deployment cost and medical capabilities, achieving the top position among all open-source models globally [1][4] - Baichuan-M2 scored 60.1 on HealthBench, outperforming OpenAI's latest open-source model gpt-oss120b, which scored 57.6, as well as other models like Qwen3-235B and Deepseek R1 [1] - The model has been optimized for extreme lightweight deployment, allowing it to be run on a single RTX 4090 card, reducing costs by 57 times compared to the dual-node deployment of DeepSeek-R1 H20 [4] Group 2 - Baichuan-M2 MTP version, optimized for higher interaction speed in emergency and outpatient scenarios, achieved a 74.9% increase in token processing speed in single-user settings [4]