The AI Models Index keeps you up to date with premium releases from 15 top labs...

https://harperscoolthoughts.inkharbory.com/posts/why-are-some-releases-marked-not-rated-or-gray-in-the-timeline

The AI Models Index keeps you up to date with premium releases from 15 top labs since 2023, tracking verified launch dates and blind-vote accuracy checks. Updated every two weeks, it shows improvements like a 56% faster release pace—GPT-5