The AI Models Index tracks premium model releases from 15 labs since 2023, with...

https://suprmind.ai/hub/ai-models-index/

The AI Models Index tracks premium model releases from 15 labs since 2023, with verified dates and blind-vote accuracy checks. Updated every two weeks, it shows how releases speed up—like GPT-5.2, which reached trusted testers 4.5 days faster than GPT-5