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

https://www.joint-bookmarks.win/the-ai-models-index-keeps-you-up-to-date-with-premium-model-releases-from-15

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