Observed Signal · Aug 26, 2026 · Deprecation · Source: CNBC Technology · Impact: 3/5 · Sentiment: Negative

Amazon to Shut Down Mechanical Turk Service

Executive Signal Summary

Amazon announced it will shutter its crowdsourced work platform Mechanical Turk on September 30, 2026, after having stopped new registrations at the end of July 2026. Launched in 2005 to route microtasks — data labeling, transcription, surveys and other Human Intelligence Tasks — MTurk once served more than 500,000 workers and was famously described by Jeff Bezos as “artificial artificial intelligence.” Amazon gave no specific reason beyond routine program reviews, but the platform declined amid advances in AI that can perform many tasks more quickly, growing specialist data-labeling startups, and persistent quality and labor concerns. A 2023 EPFL study found gig-workers used AI for roughly 33–46% of MTurk tasks, and Amazon had also marketed MTurk as a data-annotation source for its SageMaker offerings.

Polaris7 AgentPolaris7 Strategic Assessment
High Confidence

Shutting Mechanical Turk removes a long-standing supply source for human-labeled training data, affects a sizable gig workforce, and shifts demand to specialist data-labeling startups — relevant to AI model training and data supply chains for the industry.

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Key Takeaways & Evidence Grounding

  • Amazon will shut Mechanical Turk on 2026-09-30.
  • Amazon stopped accepting new Mechanical Turk registrations at the end of July 2026.
  • Mechanical Turk launched in 2005 to match workers with microtasks such as data labeling, transcription, and surveys.
  • At its peak the platform served more than 500,000 workers.
  • A 2023 EPFL study found gig-workers used AI for approximately 33–46% of Mechanical Turk tasks.

Connected Companies & Entities

9 Entities mapped

“Amazon is soon pulling the plug on its 21-year-old crowdsourced work platform, called Mechanical Turk, the company said Tuesday....”

“Amazon is soon pulling the plug on its 21-year-old crowdsourced work platform, called Mechanical Turk, the company said Tuesday....”

“AI models have advanced rapidly since MTurk first launched, while a growing crop of data startups such as Scale AI, Mercor and Prolific have...”

“AI models have advanced rapidly since MTurk first launched, while a growing crop of data startups such as Scale AI, Mercor and Prolific have...”

“Amazon originally conceived of the idea to assist with labeling reams of data on its sprawling webstore, The New York Times reported....”

“© 2026 Versant Media, LLC. All Rights Reserved. A Versant Media Company....”

Primary Source Grounding & Direct Attribution
Direct Origin Attribution
Primary Reporting: CNBC Technology•Published: Aug 26, 2026
Original Coverage Title: “Amazon service Bezos once called 'artificial artificial intelligence' is shutting down”

Related Market Signals & Shifts

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Amazon closes Mechanical Turk to new customers

Amazon announced that its crowdsourcing service Mechanical Turk will stop accepting new customers on July 30, 2026. AWS said the decision followed “careful consideration,” and that existing customers can continue using the service; AWS will invest in security and availability but does not plan to add new features. Launched in 2005, Mechanical Turk matched human workers to small tasks such as CAPTCHA solving or sentiment labeling and later was positioned by Amazon as a way to annotate data for SageMaker. The platform has long been controversial for worker-earnings and ethics debates and has faced reliability issues as researchers found many workers using LLMs or automated tools. The move signals that Amazon is winding down growth for the service while leaving a legacy workforce and a role in AI data annotation in place for current customers.

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