The Scaling Law That Broke: Why Bigger Models Are No Longer Better

For years, the rule was simple: bigger is better. More data, more parameters, more compute. Each generation of models was significantly smarter than the last. GPT-2 was impressive. GPT-3 was astonishing. GPT-4 was a leap. Then came GPT-5. It was better, but not vastly better. The leap was smaller. The scaling law was breaking. This is the end of the scaling era. The returns on scale are diminishing. Bigger models are no longer vastly smarter. The industry is facing a crisis of diminishing…