Most firms that use generative AI in production report their GPUs sitting idle at least half the time:
A survey of firms finds that AI adoption has raised annual labor productivity growth by 0.2% over the last three years, despite spending more than $300 billion on AI this year alone:
https://www.nber.org/system/files/working_papers/w34836/w34836.pdf
Firms report a significant increase in the production of code, with no resulting improvements to productivity or employment, because the code is slop that requires commensurately more review and revisions.


