The AI Models Index shows that in 2026, new AI releases are landing roughly...

https://www.blaze-bookmarks.win/the-ai-models-index-keeps-tabs-on-premium-model-releases-from-15-top-labs-since

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