The AI Models Index shows that in 2026, new AI models are being released...

https://blogfreely.net/samuel-wang09/can-i-reuse-charts-from-the-ai-models-index-in-my-article

The AI Models Index shows that in 2026, new AI models are being released roughly every 4.5 days. While 56% of these updates improve performance, 16% actually cause regressions. Overall, the median gain on LMArena benchmarks is +9