The AI Models Index shows that in 2026, new AI models are being released every...

https://www.ready-bookmarks.win/the-ai-models-index-tracks-the-pace-and-quality-of-ai-releases-showing-that

The AI Models Index shows that in 2026, new AI models are being released every 4.5 days on average, indicating rapid development. Despite this pace, 56% of updates improve performance, while 16% cause regressions. The median gain in LMArena scores is +9