Date: 2026-04-24
The two legacy API model names, deepseek-chat and deepseek-reasoner, will be discontinued in three months (2026-07-24). During the current period, these two model names point to the non-thinking mode and thinking mode of deepseek-v4-flash, respectively.
Date: 2025-12-01
Both deepseek-chat and deepseek-reasoner have been upgraded to DeepSeek-V3.2.