The AI Models Index tracks 178 model releases so you can see what changed...

https://andressuniquechat.cloudhinter.com/posts/what-is-the-artificial-analysis-intelligence-index-and-how-is-it-used-here

The AI Models Index tracks 178 model releases so you can see what changed before deciding whether to upgrade. It lists verified public release dates and blind-vote checks, where people compare model answers without knowing which model produced them