The AI Models Index keeps you up to date on premium model releases from 15...

https://zulu-wiki.win/index.php/Is_GPT-5.2_Actually_Worse_Than_GPT-5.1_in_Blind_Votes%3F

The AI Models Index keeps you up to date on premium model releases from 15 leading labs since 2023, with verified dates and blind-vote checks. Updated every two weeks, it shows trends like a 56% faster improvement rate and tracks key updates like GPT-5