Observed Signal · Jul 5, 2026 · Deprecation · Source: techcrunch · Impact: 4/5 · Sentiment: Negative
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.
A major cloud provider (Amazon/AWS) is closing a long-standing crowdsourcing service to new customers, affecting the supply of human-labeled data used for AI training, academic research, and annotation workflows.
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Key Takeaways & Evidence Grounding
- Amazon's Mechanical Turk will close to new customers on July 30, 2026.
- Amazon Web Services said existing customers can continue using Mechanical Turk but that no new features are planned.
- Mechanical Turk was launched in 2005 as a marketplace for small human-performed tasks (e.g., CAPTCHA solving, sentiment annotation).
- Since 2018, Amazon positioned Mechanical Turk as a tool for annotating data to train models alongside SageMaker.
- A 2023 analysis found between 33% and 46% of Mechanical Turk workers were using large language models to complete tasks, raising data reliability concerns.
Connected Companies & Entities
5 Entities mapped“These may be the last days of Amazon’s Mechanical Turk....”
“These may be the last days of Amazon’s Mechanical Turk....”
“This week, after Amazon’s decision became public, one Reddit user suggested the platform died “years ago,” with workers and researchers aban...”
“Anthony Ha is TechCrunch’s weekend editor....”
Related Market Signals & Shifts
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Amazon to Shut Down Mechanical Turk Service
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.
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