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

https://lanesniceblog.scriblorax.com/posts/can-i-reuse-charts-from-the-ai-models-index-in-my-article

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