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Anthropic finds Claude's values shift measurably across model versions and languages
verifiedDeveloperEnterprise
Tuesday, July 14, 2026
Confidence
Medium · — lab-primary on a 309k-conversation sample; not peer-reviewed, user impact unmeasured
Evidence
Anthropic research post with published methodology
Anthropic analyzed 309,815 real Claude conversations and found the values Claude expresses shift measurably by model version and by interface language.
- Three models, 20 languages: four axes (deference, warmth, depth, candor) capture the variation; Opus 4.7 leans caution and depth.
- Claude runs warmest in Hindi, most rigorous in Russian; Anthropic can't yet say which training-data properties drive it.
Sources