The AI Models Index shows that by 2026, new releases are coming every 4.5 days...

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

The AI Models Index shows that by 2026, new releases are coming every 4.5 days on average. While 56% of updates improve performance, 16% actually cause setbacks. Despite this, the median advancement in LMArena scores is a solid +9