Seek .(US:SKLTY) Xin Lang Ke Ji·2025-08-21 07:05Core Insights - DeepSeek announced the release of DeepSeek-V3.1 and will adjust the API pricing effective September 6, 2025 [1][3] - The new pricing structure includes input prices of 0.5 CNY per million tokens for cache hits and 4 CNY per million tokens for cache misses, with output prices set at 12 CNY per million tokens [1] Group 1: Upgrade Features - The V3.1 upgrade introduces a hybrid reasoning architecture that supports both thinking and non-thinking modes within a single model [3] - Enhanced thinking efficiency allows DeepSeek-V3.1-Think to provide answers in a shorter time compared to its predecessor, DeepSeek-R1-0528 [3] - Improved agent capabilities through post-training optimization significantly enhance the model's performance in tool usage and agent tasks [3] Group 2: User Experience - The official app and web model have been upgraded to DeepSeek-V3.1, allowing users to switch freely between thinking and non-thinking modes via a "deep thinking" button [3]