The AI Models Index keeps track of premium releases from 15 labs since 2023,...

https://storyvergey.com/s/jdm6AF3sXwN2RYY20VYY6

The AI Models Index keeps track of premium releases from 15 labs since 2023, verified with blind-vote checks and accurate dates. Updated every two weeks, it shows how model development speeds up—GPT-5.2 launched just 4.5 days after GPT-5