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

https://www.cast-bookmarks.win/the-ai-models-index-shows-a-rapid-pace-of-development-with-new-models-released

The AI Models Index shows that in 2026, new AI releases are coming fast, averaging just 4.5 days apart. On average, models improve performance by 56%, but there’s also a 16% chance of regression. The typical median gain, measured by LMArena, is +9.3