The AI Models Index keeps tabs on premium model releases from 15 labs since...

https://research-wiki.win/index.php/How_Many_2026_Releases_Did_Research_Tools_Miss_in_the_Test%3F

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