Amazon Web Services announced that its Mechanical Turk crowdsourcing service will close to new customers on July 30, 2026. The decision follows what AWS described as “careful consideration.” Existing customers will still have access to the platform, but new features will not be introduced.
Mechanical Turk, which launched in 2005, enabled users to earn small payments for completing simple tasks that are difficult to automate, such as CAPTCHA challenges or analyzing sentiment in text. The platform has been central to discussions regarding the ethics of crowdsourced labor and has been implicated in the early stages of the Facebook-Cambridge Analytica scandal.
In 2018, Amazon began promoting Mechanical Turk as a tool for companies to annotate data for training neural networks through its SageMaker AI service. The service has been identified as a critical but often unrecognized component for firms creating AI solutions that rely on human labor.
A 2023 analysis indicated that between 33% and 46% of Mechanical Turk workers used large language models to assist with their tasks, raising concerns about the reliability of the data generated through the platform and the necessity of human involvement. Following the announcement, a Reddit user remarked that the platform’s functionality had effectively diminished “years ago” due to challenges with bots and fraud. The user speculated that Amazon might ultimately discontinue the service completely due to resource constraints.
