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

https://telegra.ph/How-Many-2026-Premium-Releases-Were-Point-Releases-vs-New-Generations-10-08

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