The AI Models Index keeps tabs on premium model releases from 15 labs since...

https://blogfreely.net/samuel-wang09/can-i-reuse-charts-from-the-ai-models-index-in-my-article

The AI Models Index keeps tabs on premium model releases from 15 labs since 2023, with verified dates and blind-vote checks to ensure accuracy. Updated every two weeks, it shows releases now come every 4.5 days—a 56% faster pace