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

https://wiki-room.win/index.php/How_Often_Do_Premium_AI_Models_Ship_in_2026%3F

The AI Models Index tracks premium model releases from 15 labs since 2023, verified with exact dates and blind-vote checks. Updated every two weeks, it shows an average 4.5-day gap between releases—a 56% faster pace. See clear comparisons like GPT-5