Hallucination

What it means

Models generate plausible text, which is not always true. Asking for sources and checking them reduces the risk.

Example

An invented statistic in an answer without a source.

Related terms

• Model comparisonLooking at answers from different AI models to the same prompt.
• Merchant of recordThe company legally responsible for selling and handling payments, taxes and refunds.
• Browser agentAn AI agent that operates a web browser: it reads pages, clicks, types and navigates.
• Human in the loopA design where a person approves or corrects an automated system’s important actions.
• Duet modeClaude Duet’s mode that asks two AI models the same question at once.