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

https://www.toro-bookmarks.win/the-ai-models-index-keeps-you-up-to-date-on-premium-releases-from-15-labs-since

The AI Models Index tracks premium model releases from 15 labs since 2023, verifying release dates and using blind votes to ensure accuracy. Updated every two weeks, it shows a steady pace—like GPT-5.2 launching just 4.5 days after GPT-5