Machine Heart

Jul 14, 2026 · Artificial Intelligence

Do AI Personas Shift with Language? Anthropic Maps Claude’s Value Axes Across Models

Anthropic’s new study reveals that Claude’s expressed values change with model version and conversation language, compressing thousands of observed value signals into four interpretable axes and showing systematic differences between Sonnet 4.6, Opus 4.6 and Opus 4.7 across twenty languages.