The AI Models Index keeps tabs on premium releases from 15 top labs since 2023,...

https://fast-wiki.win/index.php/How_Do_I_Tell_if_an_AI_Model_Was_Announced_or_Really_Shipped%3F

The AI Models Index keeps tabs on premium releases from 15 top labs since 2023, verifying launch dates and using blind-vote checks for accuracy. Updated every two weeks, it shows releases now come every 4.5 days on average, a 56% faster pace