The AI Models Index shows that in 2026, new AI releases are happening every 4.5...

https://www.cast-bookmarks.win/the-ai-models-index-shows-a-rapid-pace-of-development-with-new-models-released

The AI Models Index shows that in 2026, new AI releases are happening every 4.5 days on average. While 56% of these updates bring measurable improvements, about 16% result in performance drops. Overall, models saw a median 9