The AI Models Index shows that AI releases in 2026 are happening fast—about...

https://garrettwigp625.tearosediner.net/which-deep-research-ai-was-best-at-finding-correct-release-dates

The AI Models Index shows that AI releases in 2026 are happening fast—about every 4.5 days—and with mixed results. While 56% of updates lead to improvements, 16% cause performance drops. The median gain in LMArena scores is +9