The AI Models Index brings model releases, verified public release dates, and...

https://deansinspiringperspective.hexaforgey.com/posts/which-five-ais-were-used-to-research-the-release-history

The AI Models Index brings model releases, verified public release dates, and blind-vote checks into one place, so you can compare versions before upgrading. It tracks 178 releases and shows how often newer versions improve or regress in blind comparisons