The AI Models Index shows that releases in 2026 are coming fast—about every 4.5...

https://www.novabookmarks.win/the-ai-models-index-keeps-tabs-on-premium-releases-from-15-top-labs-since-2023

The AI Models Index shows that releases in 2026 are coming fast—about every 4.5 days. While 56% of updates bring improvements, 16% actually cause performance to dip. On average, models saw a +9.3 median gain on LMArena benchmarks