最强开源模型 DeepSeek V4 发布，1M上下文，运行成本大降
DeepSeek V4 终于发布了，带来了 1M 上下文，代码能力明显提升，推理进入第一梯队，但知识类能力仍落后于头部闭源模型。 最重要的是：「DeepSeek-V4 开创了一种全新的注意力机制，在 token 维度进行压缩，结合 DSA 稀疏注意力（DeepSeek Spars
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