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

https://rileysnewcolumn.readspirex.com/posts/why-does-gpt-5.2-cost-more-than-gpt-5.1

The AI Models Index tracks premium AI releases from 15 leading labs since 2023, verifying dates and using blind-vote checks to ensure accuracy. Updated every two weeks, it shows the pace of innovation speeding up—average releases now come every 4