The AI Models Index tracks the pace and quality of new AI releases, showing...

https://highstylife.com/why-are-lmarena-gains-smaller-in-2026-than-2025/

The AI Models Index tracks the pace and quality of new AI releases, showing updates every 4.5 days on average. In 2026, 56% of models improved over predecessors, but 16% regressed. Despite mixed results, the median performance rose by +9