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

https://stateofseo.com/understanding-the-difference-between-point-releases-and-new-generations-in-large-language-models/

The AI Models Index tracks premium model releases from 15 labs since 2023, with verified dates and blind-vote checks for accuracy. Updated every two weeks, it reveals a 56% improvement rate in model quality