The AI Models Index shows that in 2026, new AI models are released roughly...

https://www.bookmarking-presto.win/the-ai-models-index-keeps-you-up-to-speed-on-premium-model-releases-from-15

The AI Models Index shows that in 2026, new AI models are released roughly every 4.5 days, marking a brisk development pace. While 56% of these updates improve performance, about 16% result in regressions, reflecting ongoing challenges