The AI Models Index shows that throughout 2026, new releases dropped every 4.5...

https://trentonsexcellentthoughtss.evergrovio.com/posts/where-does-the-lmarena-dataset-come-from

The AI Models Index shows that throughout 2026, new releases dropped every 4.5 days on average, highlighting a fast pace of development. On average, 56% of these updates led to measurable improvements, while 16% caused some performance regressions