The AI Models Index tracks 178 releases, with verified public release dates and...

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

The AI Models Index tracks 178 releases, with verified public release dates and blind-vote checks that compare models without revealing their names. It helps teams spot changes and decide if upgrading is worth a 4.5-day retest.