The AI Models Index shows that in 2026, new AI releases are coming fast—on...

https://holdenssplendiddigests.zenbloomer.com/posts/where-does-the-lmarena-dataset-come-from

The AI Models Index shows that in 2026, new AI releases are coming fast—on average every 4.5 days. While 56% of these updates improve performance, 16% actually cause regressions. Despite this, the median gain in LMArena scores is +9