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

https://emilyscoolnews.urbanvellum.com/posts/gpt-5.2-vs.-gpt-5.1-should-you-upgrade-or-stay-put

AI Models Index tracks releases with verified public release dates and blind-vote checks, helping you compare versions before upgrading. Across 178 releases, a 16% regression rate shows why checking real results beats trusting release notes.