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

https://lanescooljournal.inkharbory.com/posts/what-was-the-biggest-regression-example-and-should-i-worry-about-it

The AI Models Index keeps tabs on premium model releases from 15 labs since 2023, with verified dates and blind-vote checks to ensure accuracy. Updated every two weeks, it shows releases speeding up—like a 56% improvement rate in 2026