Claude's Web Search Caught Hallucinating Scholar's MIT Move

AI scholar Vincent Conitzer discovered that Claude still suffered from severe hallucinations despite using web search, confidently fabricating claims that he had moved to MIT.

2026-07-30 ~ 2026-07-30 · 3 related posts

• Claude Still Hallucinates with Web Search: Fabricates Scholar's Move to MIT — conitzer · 2026-07-30
• Claude's Hallucination Fail: Fabricates Scholar's Move to MIT — conitzer · 2026-07-30
• Claude Hallucinates Professor's Move to MIT Even With Web Search Enabled — conitzer · 2026-07-30