Quarterly AI False Claim Monitor — January 2026

Quarterly audit of the 11 leading generative AI tools and their propensity — more than 28% — to repeat false claims on controversial topics in the news

Published Feb. 25, 2026

In January 2026, NewsGuard tested the 11 leading chatbots — OpenAI’s ChatGPT-5.2, You.com’s Smart Assistant, xAI’s Grok, Inflection’s Pi, Anthropic’s Claude, Mistral’s Le Chat, Microsoft’s Copilot, Meta AI, Google’s Gemini, Perplexity’s answer engine and DeepSeek AI — on 10 provably false claims spreading online on topics in the news.

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