Meta 发布 816B 开源权重模型 Muse Spark Open,登顶美国开源模型榜首
Meta 发布开源权重模型 Muse Spark Open,总参数 816B、激活 42B(MoE),在 Artificial Analysis Intelligence Index 上得分 39,成为该榜单上得分最高的美国开源权重模型。它比 Meta 今年 8 月的 30B 稠密开源模型 Muse Glimmer(high,17)高 22 分,也领先同日发布的 NVIDIA Nemotron 3.5 Super VL(26)。该模型上下文窗口 1M tokens,支持文本、图像、视频和音频输入,权重以 BF16 和 NVFP4 格式发布在 Hugging Face,API 可通过 Baseten、Fireworks AI、Groq、Modal、Nebius、OpenRouter 和 Together AI 获取。
han Muse Spark 1.2 ($0.97) at the same per-token prices and less than half of GLM-5.3 (max, $2.01), but about three times DeepSeek V4.1 Flash (max, $0.27) ➤ A relative weakness in agentic work compared to Chinese open-weights leaders. Among the nine highest-scoring open-weights models, Muse Spark Open ranks last on the four agentic evaluations in the index but fourth on the other six combined, and it leads all open-weights models on AA-Omniscience (25). GLM-5.3 (max), the closest Chinese model b
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