Memorandum
- From
- Caroline Mercer via Fortune | FORTUNE
- Date
- Filed
- Business·5 min to read
- Re
Anthropic Study Finds Human Attention Is the Bottleneck in AI-Heavy Workplaces
ReAnthropic Study Finds Human Attention Is the Bottleneck in AI-Heavy Workplaces
An internal Anthropic study of its own workforce found that AI agents now outpace human output so sharply that employees spend much of their time managing bots, attending meetings, and making decisions rather than doing hands-on work.
Anthropic has released an internal study of its own workforce that offers an early look at how an AI-dominated company may operate, and the central finding is that human attention has become the limiting factor in getting work done. The report found that 80% of the elapsed time in Claude sessions was spent with AI agents waiting on a human's input.
«This acceleration makes human attention the bottleneck for agent output,» the report said. One employee described the experience of managing multiple AI agents as «an army of Claudes, with every one asking for my attention.»
The bottleneck is the flip side of a sharp rise in output. AI agents collectively surpassed human working hours for the first time in March, and by August agent hours outnumbered human hours six to one. Software engineers' code commits increased fivefold over the past six months. Even non-technical employees now have personal agents monitoring email and calendars, compiling to-do lists from messages, and briefing them on the purpose of upcoming meetings.
That shift has changed what the workday looks like. Managing agents is becoming a job in itself. The share of employees' interactive Claude sessions devoted to this kind of «meta-work» rose from 10% to 22%, according to the report. For non-technical employees, simply reading everything their agents produce would consume about half the work week. Private work conducted in unlogged meetings and direct messages is «invisible, confusing and discouraged in an AI-heavy workplace,» the report said.
The median employee now spends 20% more time in meetings than a year ago. Part of that reflects company growth — Anthropic has more than 3,500 employees — and an emphasis on hiring in non-technical roles. But meeting time is up 16% even among technical individual contributors, a sign that humans are spending more time on coordination and decisions while agents handle tasks such as repetitive coding.
The pace keeps increasing. As soon as a new model becomes available, employees start tackling harder problems, the report found. One employee described «eternal pressure at Anthropic to move as fast as possible and use Claude for everything.»
In some cases, employees have streamlined their own responsibilities away. A product design team that previously wrote short copy for the company's website, including greetings displayed on Claude.ai, began using AI to write the copy this spring. «The team then rotated into agent prompting and began writing model evals and prompts for Claude,» the report said.
Such role shifts are increasingly common. Anthropic said employees who have worked at the company for at least a year were 50% more likely to move across departments each month in 2026 than in 2025. The company said it has made an effort to identify at-risk jobs and reassign employees to other positions.
Hiring is changing as well. Managers increasingly emphasize applicants' autonomy and judgment over specific technical expertise, and fewer entry-level people are being hired. The share of junior-level employees in technical departments fell to 14% from 21% in early 2025, while the share of junior technical hires dropped from 27% to 9%. Open positions for those junior roles have also plummeted since December.
That trend is likely to add to anxiety about AI job displacement, which runs especially high among young people. A survey from recruiter platform iCIMS published earlier this year found that 51% of Gen Z respondents considered AI the greatest threat to their job security. A Deutsche Bank Research survey last year found nearly one in five Gen Z workers worried AI would cost them their job within two years, compared with about one in 10 Baby Boomers.
Anthropic employees expect AI to take on more of their daily responsibilities over time. As of August, they said they expect AI to be able to complete three-quarters of their work by 2030, compared with 28% predicted by other U.S. workers in a separate Anthropic study.
It is unclear whether the changes at Anthropic reflect how the average workplace will evolve. The company has vast resources and is nearing a potential $2 trillion IPO that could break records, and it is embedding AI in its workflows more deeply than most employers may be able to. Still, the report describes a pattern of change that could shape how corporate roles evolve as AI adoption spreads. As one employee put it, «that 20% that was strategic becomes 90% of the job.»
3
