The latest AI Models Index shows we’re seeing a new model roughly every 4.5...

https://oliviasinsightfulthoughts.novacrestiq.com/posts/how-long-does-google-take-between-announcing-and-shipping-a-model

The latest AI Models Index shows we’re seeing a new model roughly every 4.5 days in 2026, highlighting how fast this space moves. While 56% of updates bring measurable improvements, about 16% actually cause regressions