The AI Models Index keeps tabs on premium releases from 15 top 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 top labs since 2023, verifying dates and using blind votes for accuracy. Updated every two weeks, it shows the pace of innovation—like GPT-5.2’s launch just 4.5 days after GPT-5