美股異動丨阿里巴巴盤前升超4% 通義千問開源Qwen2.5 性能超越Llama
阿里巴巴(BABA.US)美股盤前升超4%,報87.81美元。消息面上,阿里雲CTO周靖人在2024雲棲大會上發佈通義千問新一代開源模型Qwen2.5,其中,旗艦模型Qwen2.5-72B性能超越Llama 405B,再登全球開源大模型王座。Qwen2.5涵蓋多個尺寸的大語言模型、多模態模型、數學模型和代碼模型,每個尺寸都有基礎版本、指令跟隨版本、量化版本,總計上架100多個模型,刷新業界紀錄。截至2024年9月中旬,通義千問開源模型累計下載量已突破4000萬,成為僅次於Llama的世界級模型羣。

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