The AI Models Index shows that in 2026, new AI models are released every 4.5...

https://remote-wiki.win/index.php/What_Does_%22One_Model,_One_Entry%22_Mean_in_the_Methodology%3F

The AI Models Index shows that in 2026, new AI models are released every 4.5 days on average, highlighting a rapid pace of innovation. Despite a 56% average improvement rate, about 16% of updates cause performance regressions