亞馬遜在re:Invent2025推出第二代自研大模型家族Nova2，包括Lite、Pro、Sonic和Omni四款新品，主打行業領先性價比，定價約爲同類模型一半。同時宣佈與谷歌雲互聯，方便客戶跨平臺調用競對模型。
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