moved from claude pro to deepseek v4 last week. workflow shift surprised me.

been on claude pro since 2024. cap shrinking was the breaking point last week. dropped to deepseek v4 just to see what would happen. wrote this up because the shift surprised me. context: i build internal tools for a 3-person team. lots of python refactoring, sql query writing, occasional docs. nothing exotic. claude pro had been my daily driver for almost two years. what i expected when moving: rougher reasoning. more hand-holding on tool calls. some quality drop on edge cases. what actually happened over