The AI Models Index shows that in 2026, new AI versions are arriving every 4.5...

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

The AI Models Index shows that in 2026, new AI versions are arriving every 4.5 days on average. While 56% of releases bring improvements, 16% actually cause performance drops. Overall, there's a median gain of +9