The AI Models Index shows that, on average, new AI model versions are released...

https://quillhavenx.com/s/PQPuIhiWTgLaRxyWgsWCk

The AI Models Index shows that, on average, new AI model versions are released every 4.5 days in 2026. While 56% of these updates bring notable improvements, 16% cause performance regressions. The median model sees a +9