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

https://wiki-spirit.win/index.php/What_Does_the_Index_Mean_by_%22Scope:_15_Labs%22_and_Why_Those_Labs%3F

The AI Models Index tracks premium AI releases from 15 labs since 2023, with verified launch dates and blind-vote checks to ensure reliability. Updated biweekly, it shows a 56% improvement rate between GPT-5.1 and GPT-5