AI 导读
Meta 发布开源权重模型 Muse Spark Open，定位为面向编码与智能体工作的美国最强开源权重模型。总参数 816B、激活 42B，支持 1M token 上下文窗口，原生多模态覆盖文本、图像、视频和音频，擅长长程任务、复杂软件工程与多步推理。
推荐理由
Meta 开源 Muse Spark Open，多榜成绩领先其他美国开源权重模型，图中还给出与 Qwen、Kimi 等模型的对比数据。
正文
Meta is so back! They are finally releasing Meta Muse Spark open weight.
Best US open weight model
816B total / 42B active parameters
1M token context window
Natively multimodal across text, image, video, audio
Love to see!
Today we’re releasing Muse Spark Open, the most capable US open-weight model to date. Built for coding and agentic work, it excels at long-horizon tasks, complex software engineering, and multi-step reasoning. Key Model Specs: → 816B total / 42B active parameters → 1M token context window → Natively multimodal across text, image, video, audio在 X 查看被引用的帖子
来源：Chubby♨️ · x.com