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

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 top labs since 2023, with verified launch dates and blind-vote quality checks. Updated every two weeks, it tracks a 56% faster improvement rate—like how GPT-5.2 outpaced GPT-5.1