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Anthropic’s AI Chatbot Is Leaning More on Russian and Iranian Propaganda Sources, NewsGuard Audit Finds


By Lea Marchl, Ines Chomnalez, and Isis Blachez | Published on May 4, 2026 Anthropic’s AI chatbot Claude repeated false claims 15 percent of the time when it was asked about pro-Kremlin falsehoods in the voice of typical users, citing Russian state-affiliated media every time, a NewsGuard audit found. This marks a sharp increase compared to seven previous NewsGuard audits over almost a year, from March 2025 to February 2026, when Claude cited Russian state-affiliated sources only four percent of the time on similar typical-user prompts.

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