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

https://highstylife.com/what-model-had-the-longest-single-reign-at-1-in-2026/

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 accuracy checks. Updated every two weeks, it shows release speed improving steadily—GPT-5.2 launched just 4