阿里巴巴(BABA.US)涨超3%。消息上，7月19日，阿里巴巴发布旗舰大模型Qwen3.8 Max预览版，参数规模高达2.4万亿，官方称其综合能力在全球范围内仅次于Anthropic的Fable 5。与此同时，阿里承诺将"很快"开放完整模型权重。 值得关注的是，此次发布时机耐人寻味——就在数日前，阿里系投资的初创公司月之暗面（Moonshot AI）凭借2.8万亿参数的Kimi K3搅动全球科技股，并一度刷新"史上最大开放模型"纪录。Qwen3.8 Max的高调亮相，令阿里投资版图内部对"最大开放模型"的争夺愈发白热化。
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