How Is Your Team Spending the Time Saved by Gen AI? – Harvard Business Review

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Tools like ChatGPT and Copilot are helping employees complete tasks much faster—cutting the time it takes to do them by up to 56%. But a new study shows that many people aren’t putting that newfound time to good use. Here’s what managers can do to get the most out of the time savings.

Generative AI is changing how we work. Tools like ChatGPT and Copilot help people write everything from emails to blog posts to plans for internal analyses 40% faster than they used to, according to a 2023 MIT study. The new technologies are transforming technical jobs in particular. A study by MIT Sloan, Microsoft Research, and GitHub determined that gen AI coding tools can cut programming time by 56%, for instance.

A version of this article appeared in the March–April 2025 issue of Harvard Business Review.