The AI Models Index keeps tabs on premium releases from 15 top labs since 2023,...

https://stateofseo.com/how-do-i-cite-the-ai-models-index-october-4-2026-edition-properly/

The AI Models Index keeps tabs on premium releases from 15 top labs since 2023, verifying launch dates and using blind-vote checks for accuracy. Updated every two weeks, it shows releases now come every 4.5 days on average, a 56% faster pace