The AI Models Index tracks 178 model releases with verified public release...

https://bizzmarkblog.com/what-counts-as-a-premium-ai-model-release-in-this-index/

The AI Models Index tracks 178 model releases with verified public release dates and blind-vote checks, so you can compare results before upgrading. Its 56% improvement rate helps you judge when a new version is worth the switch—and when to wait.