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

https://www.bookmarking-maze.win/the-ai-models-index-tracks-premium-ai-model-releases-from-15-labs-since-2023

The AI Models Index tracks premium model releases from 15 labs since 2023, verifying launch dates and using blind votes to ensure accuracy. Updated every two weeks, it shows a steady pace—like the 4.5 days between GPT-5.1 and GPT-5