The AI Models Index shows that by 2026, new models will be released roughly...

https://stateofseo.com/how-do-i-cite-the-ai-models-index-october-4-2026-edition-properly/

The AI Models Index shows that by 2026, new models will be released roughly every 4.5 days, highlighting a rapid pace of innovation. While 56% of these updates improve performance, about 16% cause regressions. On average, models gain a median 9