The AI Models Index keeps you up to date on premium AI releases from 15 top...

https://riversinterestingthoughtss.wpsuo.com/did-gpt-5-2-actually-regress-in-chat-quality

The AI Models Index keeps you up to date on premium AI releases from 15 top labs since 2023, verified with exact dates and blind-vote checks. Updated every two weeks, it shows a 56% improvement rate in model performance