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

https://lanesniceblog.scriblorax.com/posts/which-deep-research-ai-was-best-at-finding-correct-release-dates

The AI Models Index tracks premium model releases from 15 top labs since 2023, with verified release dates and blind-vote accuracy checks. Updated every two weeks, it shows releases now average every 4.5 days—a 56% faster pace