Anthropic says stronger AI models cut better deals, and the losers don't even notice

THE DECODER / 4/25/2026

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Key Points

  • Anthropic ran a one-week internal marketplace where 69 AI agents traded on behalf of employees.
  • The results showed that stronger AI models consistently obtained better deal outcomes than weaker models.
  • Employees who were assigned weaker agents did not perceive the difference in deal quality, suggesting a lack of visibility into agent performance.
  • The article argues that if AI agents handle real transactions for people, these hidden performance gaps could amplify existing economic inequality.

Anthropic let 69 AI agents trade on behalf of employees in an internal marketplace for a week. Stronger models scored better deals, and the people stuck with weaker agents never noticed. If AI models start handling real transactions for humans, these dynamics could deepen existing economic inequalities.

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