Mistral 发布 Mistral Large 4 公开预览版
原标题：Introducing Mistral Large 4
AI 摘要
Mistral AI 发布 Mistral Large 4（ML4）公开预览版，这是一个 1 万亿参数、原生多模态、490 亿激活参数的开放权重模型，号称在编码、智能体工作流和多模态理解上达到前沿水平。模型在欧洲自有数据中心用 3800 块 NVIDIA Grace Blackwell GPU 从零训练，权重将于月底发布，期间与网络安全机构进行红队测试。ML4 在网络安全基准上表现突出，部分测试因闭源模型拒绝执行而领先，并强调 AI 主权与自部署能力。
正文节选
Le Chonk Today, we’re launching a public preview of Mistral Large 4. Unofficially ML4, very officially: le Chonk. ML4 pushes the frontier of open-weight performance. You can try the preview API today on Mistral Studio. Weights drop end of this month. Frontier performance ML4 is a 1 trillion-parameter natively multimodal model with 49 billion active parameters. It is our largest and most capable model to date, and it continues to improve rapidly as we refine it. The model demonstrates exceptional