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

https://dominicksbrilliantcolumn.bearsfanteamshop.com/what-does-release-date-is-first-public-use-mean-for-paid-tiers

The AI Models Index tracks premium model releases from 15 top labs since 2023, with verified dates and blind-vote quality checks. Updated every two weeks, it shows the average time between releases is now 4.5 days—a 56% faster pace