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

https://victor-wiki.win/index.php/User_Complaints_about_GPT-5.2_Writing_Style:_A_Detailed_Analysis

The AI Models Index tracks premium releases from 15 leading labs since 2023, with verified dates and blind-vote checks to ensure accuracy. Updated every two weeks, it shows the pace of innovation—like a 56% improvement rate between GPT-5.1 and GPT-5