AI 导读
Meta 发布开源权重模型 Muse Spark Open，现已上线 OpenRouter。总参数 816B、激活 42B，上下文窗口 1M token，原生支持文本、图像、视频、音频多模态及 PDF 输入，定位编码与智能体长程任务，价格为输入 $1.25/M、输出 $4.25/M token。
推荐理由
OpenRouter 上架信息补充了价格和输入模态细节，读者可据此评估这条新开源模型的使用成本。
正文
Muse Spark Open from @AIatMeta is now available on OpenRouter!
- strongest open-weight model from a US lab
- built for agentic coding
- 1M context
- fully multimodal: image, video, audio and PDF input
- $1.25/M in, $4.25/M out
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：OpenRouter · x.com