Amazon's Mechanical Turk to stop accepting new customers — and not even AI can save it

What happened

Amazon announced Mechanical Turk will stop accepting new customers from July 30, 2026, moving to 'maintenance mode' on AWS. Existing customers can continue using the platform, but no further development is planned.

Context and impact

Mechanical Turk was one of the key tools for labeling training data for early ML models. It was later supplanted by tools like SageMaker Ground Truth and AI-generated synthetic data. The shutdown symbolically closes the era when human microtask labor was an essential part of the AI training pipeline.

Details

• Platform launched in 2005; over 500,000 registered 'Turkers' at peak
• No new customer registrations from July 30, 2026
• Amazon SageMaker Ground Truth is the recommended alternative
• AI-generated synthetic data and automated labeling replaced most use cases
• Symbolic marker: AI-assisted training has replaced human-assisted AI training