The AI Models Index tracks premium releases from 15 leading labs since 2023,...

https://dibz.me/blog/what-are-the-top-public-models-when-the-1-model-is-gated-1275

The AI Models Index tracks premium releases from 15 leading labs since 2023, with verified launch dates and blind-vote accuracy checks. Updated every two weeks, it shows a 56% improvement rate between GPT-5.1 and GPT-5.2