Amazon Shuts Down Mechanical Turk After 21 Years

Amazon will shut down Mechanical Turk on September 30, ending a 21-year run for the crowdsourced labor platform that once connected more than 500,000 workers with businesses needing small digital tasks completed.

According to CNBC, which first reported the closure, Amazon posted a notice explaining the decision followed an internal assessment of its programs and services. The company stopped accepting new customers on July 30.

The platform's origins and decline

Launched in 2005, Mechanical Turk created a marketplace where workers performed what Amazon called Human Intelligence Tasks—data labeling, transcription, survey responses, and similar jobs that typically paid a few cents each. Amazon founder Jeff Bezos nicknamed the service "artificial artificial intelligence" because it used human cognition to handle tasks computers couldn't yet manage.

The platform had been losing ground as specialized data-labeling companies attracted workers away and Amazon devoted fewer resources to maintaining it. CNBC reported the service had been in decline for some time before the shutdown announcement.

Why it matters

Mechanical Turk's closure illustrates how rapidly AI capabilities have advanced. Tasks that required human judgment two decades ago—identifying objects in images, transcribing audio, categorizing content—can now be automated by machine learning models. For Amazon, the shutdown represents a strategic shift from operating a declining labor marketplace to selling the AI infrastructure that makes such marketplaces obsolete. The move also raises questions about the gig economy model Amazon helped pioneer, particularly regarding worker protections and income stability for people who relied on the platform.

Financial and strategic implications

As a relatively small marketplace within Amazon's operations, Mechanical Turk's closure carries minimal direct financial impact on the company's revenue or earnings. The decision allows Amazon to reallocate engineering and support resources toward higher-growth priorities, particularly AWS's expanding AI infrastructure and services.

The technological progress that made Mechanical Turk obsolete now drives revenue opportunities across Amazon's cloud business, where customers pay for AI models and tools that automate the very tasks Mechanical Turk workers once performed manually.

Worker and reputational concerns

Amazon had not announced transition plans or support for affected workers at the time of the closure notice. Worker advocates noted that some participants earned meaningful income through the platform, adding the shutdown to ongoing scrutiny of how Amazon treats gig and contract workers.

The closure details were first reported by CNBC.