The AI Models Index keeps tabs on premium releases from 15 labs since 2023,...

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

The AI Models Index keeps tabs on premium releases from 15 labs since 2023, with verified dates and blind-vote checks to ensure accuracy. Updated every two weeks, it shows new models drop every 4.5 days on average—a 56% improvement rate