The AI Models Index shows that by 2026, new models will be released roughly...

https://penelopessmartdigests.talesignal.com/posts/what-win-rate-counts-as-a-real-step-vs-a-big-step-in-ai-model-progress

The AI Models Index shows that by 2026, new models will be released roughly every 4.5 days, highlighting a rapid pace of innovation. While 56% of these updates improve performance, about 16% cause regressions. On average, models gain a median 9