Under the EU AI Act, which category includes AI systems that pose unacceptable risks and are generally prohibited?

Question

Options

• AHigh-risk AI
• BLimited-risk AI
• CMinimal-risk AI
• DProhibited AI

• A
  7% (2)
• C
  4% (1)
• D
  89% (25)

Explanation

Prohibited AI (D) is the correct category under the EU AI Act for systems deemed to pose unacceptable risks to society - such as social scoring by governments, real-time biometric surveillance in public, or AI that manipulates people subliminally. These systems are outright banned, not merely regulated.

High-risk AI (A) is wrong because it refers to AI in sensitive domains (healthcare, education, critical infrastructure) that is allowed but heavily regulated with strict requirements around transparency, human oversight, and conformity assessments. Limited-risk AI (B) applies to systems with lighter obligations, mainly transparency duties - like chatbots that must disclose they are AI. Minimal-risk AI (C) covers the vast majority of AI (spam filters, recommendation systems) that face virtually no specific obligations under the Act.

Memory tip: Think of a traffic light - Prohibited is red (full stop, banned), High-risk is yellow (proceed with caution and heavy compliance), Limited-risk is a slow blink (just disclose), and Minimal-risk is green (go freely). The question asks for red.

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