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

https://smart-wiki.win/index.php/Why_Does_the_Index_Say_Google_DeepMind_Slowed_Down_in_2026%3F

The AI Models Index tracks premium model releases from 15 labs since 2023, verifying dates and using blind-vote checks for accuracy. Updated every two weeks, it shows model improvements happen every 4.5 days on average—a 56% faster rate