The AI Models Index tracks premium model releases from 15 top labs since 2023,...

https://list-wiki.win/index.php/How_Long_Does_Google_Take_Between_Announcing_and_Shipping_a_Model%3F

The AI Models Index tracks 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 4.5-day gap between releases—a 56% improvement