Asger Risom
AI tools were meant to reduce workloads, but new data shows the opposite—employees are spending more time on tasks like email and messaging, while deep-focus work continues to decline.
Artificial intelligence was meant to usher in a new era of productivity, freeing up time and reducing workloads. Instead, for many workers, the opposite is happening.
If your workday feels busier despite new AI tools, recent data suggests that’s not just perception—it’s a measurable shift.
According to Fortune, employees using AI are spending significantly more time on everyday tasks, with some workloads increasing by as much as 346%.
More tools, more work
Rather than eliminating repetitive tasks, AI appears to be adding to them.
An analysis of more than 10,000 workers found that time spent on core activities surged after AI adoption. Email usage jumped by 104%, messaging increased by 145%, and time spent in business management tools rose by 94%.
“The data is unambiguous: AI does not reduce workloads,” the report concluded.
Instead of streamlining workflows, AI is often layered on top of existing systems, creating more steps rather than fewer.
The cost of constant activity
As routine tasks expand, something else is shrinking: focused work.
The average uninterrupted work session has dropped by 9%, while total time spent in deep, concentrated work has also declined. This continues a broader trend, with focused time making up just 60% of the workday in 2025.
In practice, that means more switching between tools, more notifications, and less time spent solving complex problems.
The promise vs the reality
This outcome stands in sharp contrast to what tech leaders have been promising.
Executives across Silicon Valley have predicted that AI would make work lighter, shorten workweeks, and even make jobs optional in the long run.
Elon Musk has said that work could become “optional,” while Zoom CEO Eric Yuan has suggested AI could reduce the workweek to just a few days.
So far, however, the reality looks very different—longer task lists, more communication, and less time to think.
Burnout and “AI brain fry”
The increase in activity isn’t just affecting productivity—it’s affecting workers themselves.
Studies show that as employees use AI to get more done, they also take on more tasks, reducing time for breaks and recovery.
Researchers have also identified “AI brain fry,” where workers feel overwhelmed by the volume of decisions and information generated by multiple tools.
“People were using the tool and getting a lot more done, but also feeling like they were reaching the limits of their brain power,” said Boston Consulting Group’s Julie Bedard.
A productivity paradox in real time
The findings raise a broader question: why isn’t AI delivering on its core promise?
Part of the answer may lie in how companies are using it. Instead of replacing tasks, AI often expands them—generating more content, more communication and more decisions.
Workers aren’t doing less—they’re doing more, faster, and often under greater cognitive strain.
Still early days
Despite the current mismatch, some experts argue the long-term impact of AI could still be transformative.
But for now, the gap between promise and reality is hard to ignore.
AI may be powerful—but in many workplaces today, it’s not making work easier. It’s making it heavier.
Sources: Fortune, ActivTrak, Boston Consulting Group
