Everything you need to know about AI productivity is shown in this first chart here:

https://metr.org/blog/2025-07-10-early-2025-ai-experienced-o...

Not confident it's quite that straightforward. Here's a presentation from Meta showing a 6-12% increase in diff throughput for above-median users of agentic coding: https://www.youtube.com/watch?v=1OzxYK2-qsI