TechCrunch reports Amazon will no longer onboard new customers to Mechanical Turk, the crowdworking marketplace launched in 2005 that became foundational infrastructure for dataset labeling, RLHF-style human feedback, and early ML research across the industry.
Existing customers can keep using the platform for now, but the freeze on new sign-ups signals Amazon is winding down investment in a product that pre-dates the current LLM era and has increasingly been displaced by agent-based and synthetic-data labeling pipelines.