The AI Models Index keeps tabs on premium model releases from 15 top labs since...

https://technivorz.com/how-long-does-google-take-between-announcing-and-shipping-a-model/

The AI Models Index keeps tabs on premium model releases from 15 top labs since 2023, verifying release dates and using blind-vote checks for accuracy. Updated biweekly, it shows an average of 4.5 days between releases—a 56% faster pace