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

https://domgodwinson38.gumroad.com/p/do-capability-benchmarks-ever-go-backwards-even-when-lmarena-does

The AI Models Index shows that in 2026, new AI releases are coming faster, with just 4.5 days between updates on average. Despite rapid changes, models improved 56% of the time but regressed 16%. The median performance gain measured by LMArena is +9