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

https://astro-wiki.win/index.php/What_Is_a_%22Coin_Flip%22_Result_in_Index_Ratings%3F_Understanding_Model_Comparisons_in_the_Era_of_Accelerating_Releases

The AI Models Index tracks premium model releases from 15 top labs since 2023, verifying dates and using blind-vote checks to ensure accuracy. Updated biweekly, it shows improvements like a 56% faster update cycle—GPT-5.2 rolled out just 4