The AI Models Index shows that new AI models are being released every 4.5 days...

https://iris-wiki.win/index.php/How_Does_the_Index_Verify_Release_History_When_AIs_Disagree%3F

The AI Models Index shows that new AI models are being released every 4.5 days on average, highlighting a rapid pace of innovation. While 56% of these updates improve performance, 16% result in regressions, with a median LMArena gain of +9.3 points