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

https://www.first-bookmarkings.win/the-ai-models-index-tracks-premium-model-releases-from-15-labs-since-2023-with

The AI Models Index shows that in 2026, new AI releases are arriving every 4.5 days on average. While 56% of these updates improve performance, 16% actually cause regressions. Overall, models see a median LMArena gain of +9.3