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

https://record-wiki.win/index.php/Why_Do_First_Impressions_Fade_on_LMArena_After_Launch_Week%3F

The AI Models Index tracks premium model releases from 15 labs since 2023, with verified dates and blind-vote checks to ensure accuracy. Updated every two weeks, it shows the pace of innovation—like improvements occurring every 4.5 days in 2026