Core 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]

Group 1 - DeepSeek officially released DeepSeek-V3.1, featuring a hybrid reasoning architecture that supports both thinking and non-thinking modes [1] - The new version, DeepSeek-V3.1-Think, offers higher thinking efficiency, providing answers in a shorter time compared to DeepSeek-R1-0528 [1] - Enhanced agent capabilities have been achieved through post-training optimization, significantly improving performance in tool usage and intelligent tasks [1] Group 2 - Starting from September 6, 2025, the pricing for API calls on the DeepSeek open platform will be adjusted, with input costs set at 0.5 to 4 yuan per million tokens (cache hit) and 4 yuan per million tokens (cache miss), while output costs will be 12 yuan per million tokens [1]