中信建投：DeepSeek V4等多模型更新，算力需求持续紧张
36氪获悉，中信建投证券研报称，DeepSeek-V4与GPT-5.5同期发布，前者凭借CSA/HCA注意力压缩与mHC网络重构，在性能紧逼闭源旗舰的同时将百万上下文推理成本降至极低水平，并成功跑通国产化算力基座；后者则依靠软硬件强耦合，主攻高复杂度知识工作，延续了高定价匹配高智
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