Machine Heart

May 31, 2026 · Artificial Intelligence

How a Near‑Invisible Image Can Make GPT‑5.4 and Claude Opus 4.6 Spread False Claims

Researchers from ETH Zurich show that tiny, human‑imperceptible perturbations to a single image can fool leading visual language models—including GPT‑5.4, Claude Opus 4.6, and Grok—into confidently delivering fabricated answers, enabling misinformation amplification, defamation, content‑filter evasion, and large‑scale AI authority laundering.