The grueling 996 work schedule is migrating from Chinese tech firms to American startups.
In short: The 996 system—working 9 am to 9 pm, six days a week—is notorious for causing severe health crises and burnout. While long associated with Chinese tech giants, recent reports suggest this intense, 72-hour work week is now appearing in U.S. AI startups, raising urgent questions about labor ethics and sustainability.
The 996 schedule, named for its 12-hour daily requirement across six days, has long been a fixture in China’s IT sector. Proponents, including high-profile executives like Jack Ma, have framed the practice as a necessary sacrifice for success. However, critics and state media have labeled it 'modern slavery,' noting that it frequently violates Chinese labor laws and contributes to widespread physical and mental health issues, including sleep disorders and musculoskeletal pain.
The backlash against this culture gained global attention in 2019 with the '996.ICU' movement. Developers launched a GitHub repository to track companies enforcing these hours, warning that such schedules lead directly to intensive care units. Despite the Supreme People's Court of China declaring the practice illegal in August 2021, the culture of extreme overtime persists, often disguised as flexible work or incentivized through office perks like late-night taxi reimbursements.
Now, the phenomenon is crossing borders. By 2025, reports from outlets like Wired and the Marketplace podcast indicate that U.S. AI startups are adopting similar 996-style expectations to maintain speed in a hyper-competitive market. In Silicon Valley, this is facilitated by specific labor codes, such as California Labor Code §515.5, which exempts many software engineers from overtime pay. As these companies push to lead the AI boom, the debate over whether such intensity is a prerequisite for innovation or a dangerous exploitation of human capital is intensifying once again.
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- Summary by Intellect · source: 996 working hour system
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