WHY ISN'T THE INDUSTRY FREAKING OUT ABOUT DEEPSEEK 4.1 FLASH?

Summary from the TLDR Dev newsletter

An account of using DeepSeek 4.1 Flash across a dozen projects argues that inexpensive models can handle much of the work typically assigned to premium frontier models. Lower session costs encourage unattended chores, exploratory testing, and long planning sessions, with a more expensive model sometimes brought in for a final review.