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Employment
Black woman falling asleep at her desk in a work office environment bernardbodo / Envato

AI startups are reviving China’s ‘996’ culture. Why some say 72-hour workweeks are key to winning the race for dominance

Magnus Muller, the 24-year-old CEO of the AI startup Browser Use, works seven days a week from the time he rises at 7 a.m. to when he goes to bed — usually between midnight and 1 a.m., according to The Washington Post. (1)

Kinjal Nandy, CEO of AI startup Sonatic, recently posted a job that asks the prospective employee to work seven days a week (2), while AI startup Cognition’s CEO Scott Wu posted on X about an “extreme performance culture” that includes working nights and weekends. (3)

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So, why are these techCEOs working so hard? In part, it’s a throwback to the “grind culture” of the late 1990s and early 2000s during the dot-com boom, when long hours and “sleeping under your desk” were seen as proof of startup devotion.

The other reason, as Caroline Winnett, executive director of Berkeley SkyDeck, UC Berkeley’s tech accelerator program, told The Post, is that the companies building AI now will capture the market, and the window of opportunity may only be a few years.

“Because of generative AI, we all know that giant companies are going to be born,” she explained to the publication. So, why not try to be one of them?

This reasoning motivates young founders to race as hard as they can to build their businesses — much like their Chinese competitors who exemplify the so-called “996” work culture.

Where is this work trend coming from?

In the last 10 years, Elon Musk and his companies have become paragons of grind culture, with Musk openly arguing 80- to 100-hour workweeks are essential to success.

The term 996 — which refers to working from 9 a.m. to 9 p.m., six days a week — gained traction in the U.S. after Alibaba founder Jack Ma said in 2019 that young people should see working 12 hours a day, six days a week as a “blessing” — comments that he walked back after online backlash, reports say. (4)

Many of the founders who espouse the 996 ethos are in their 20s, when they don’t have other obligations to get in the way of their quest to be first-to-market with world-disrupting technology.

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To the elite few who work for an AI startup in Silicon Valley, a 72-hour work week may sound like the only path to a future of untold riches.

But for most workers, including older workers and younger workers who aren’t all about the money, 996 sounds like a prison rather than a key to success.

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996 is not for everyone

In China, the backlash to 996 has been loud and public. In 2019, developers launched the “996.ICU” GitHub campaign to shame firms that normalized hardcore work culture and helped to turn overwork into a national debate.

In 2021, news outlets report China’s Supreme People’s Court and the labor ministry issued guidance and model cases declaring 996 illegal, and state media amplified criticism of bosses who praised it. (5)

An alternative ethos to 996 culture has also emerged. The “lying flat” movement (known as “tang ping” in China) won hearts and minds of workers by urging people to reject nonstop striving in favor of a simpler life that promotes personal well-being.

In May 2024, the head of PR for Baidu, China’s largest search engine, got significant blowback from Chinese workers for posting videos with themes like, “If you work in public relations, don’t expect weekends off,” and “I only care about results,” reports say. (6)

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In the U.S., a close analogue to China’s “lying flat” is “quiet quitting,” a widespread pullback from going above and beyond.

It’s an at-will economy

Some workers who are willing to put in long hours at tech startups may be able to score compensation that includes equity in the company in what essentially can work out to be a “work now, get paid later” arrangement. Hires who accept this type of deal understand that they may grind themselves to dust for no compensation if the company falls flat or fails to find a buyer.

On the other hand, they may see the example of early employees at Netscape, PayPal, Facebook and Amazon becoming millionaires from stock options and decide it's worth the risk.

However, this financial gamble may also come at the cost of one’s health. A joint analysis by the World Health Organization and the International Labour Organization estimated that working 55 hours or more per week contributed to about 745,000 deaths from stroke and ischemic heart disease in 2016, identifying long hours as the largest occupational risk factor in their burden-of-disease model.

So while 996 culture may be the newest version of “rise and grind,” whether it will attract the best workers and help U.S. AI firms compete with China remains debatable.

Correction, Jan. 22, 2026: This story has been updated to reflect that Scott Wu’s comments were made on X, not to The Washington Post.

Article sources

We rely only on vetted sources and credible third-party reporting. For details, see our editorial ethics and guidelines.

Washington Post (1); @itsKinjalNandy (2); @ScottWu46 (3); CNBC (4); Reuters (5); The Guardian (6); World Health Organization (7).

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Will Kenton Contributor

Will Kenton is a personal finance writer with a Master's degree in Economics who has been published in Investopedia, AP News, TIME Stamped and Business Insider among other publications.

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