Meta 官宣开源原生多模态 Llama 4，性能强劲引关注
美国科技巨头 Meta 推出了其最强大的开源人工智能模型 Llama4。此次首批发布共两款，分别是 Llama4Scout 和 Llama4Maverick 。Llama4Scout 共有1090亿参数，170亿活跃参数，16个专家，最大亮点是支持1000万上下文，这相当于可以处理20+ 小时的视频，并且仅在单个 H100GPU（Int4量化后）上就能运行。在基准测试中，其性能超越 Gemma3、Gemini2.0Flash - Lite、Mistral3.1。Llama4Maverick 共有4000亿参数，170亿活跃参数，128个专家，100万上下文。在大模型 LMSYS 排行榜上，Llama4Maverick 冲上第二（ELO 得分1417），仅次于闭源 Ge
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