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

https://www.unitedbookmarkings.win/the-ai-models-index-shows-that-in-2026-new-ai-releases-are-coming-fast

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