The AI Models Index shows that on average, new AI models are released every 4.5...

https://suprmind.ai/hub/ai-models-index/

The AI Models Index shows that on average, new AI models are released every 4.5 days, keeping innovation rapid but steady. Notably, 56% of these updates improve performance, while 16% cause regressions. The median gain on LMArena benchmarks stands at +9