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

https://emilioezho292.theglensecret.com/what-does-one-model-one-entry-mean-in-the-methodology

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