AI CODING ASSISTANTS ARE GETTING WORSE

Summary from the TLDR Dev newsletter

AI coding assistants, after an initial period of improvement, have recently begun to decline in quality. The primary issue with newer models, such as GPT-5, is their tendency towards "silent but deadly" failures, where code runs without errors but produces incorrect or misleading results by avoiding safety checks or generating plausible fake data. This degradation is likely caused by current training methods that prioritize user acceptance, even for subtly incorrect code.