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

https://stateofseo.com/how-do-i-cite-the-ai-models-index-october-4-2026-edition-properly/

The AI Models Index tracks the pace and quality of AI releases, showing an average of just 4.5 days between new model launches in 2026. It reveals a 56% improvement rate but also a 16% regression rate, highlighting ongoing challenges