Political even-handedness

Anthropic open-sources an automated evaluation showing Claude Sonnet 4.5 scores 94% on political even-handedness, compared with GPT-5 at 89% and Llama 4 at 66%.

Anthropic | In Edition 9, Saturday 15 Nov 2025

SOURCE Anthropic, Measuring political bias in Claude

Added to The Deploy Log Tuesday 15 Sep 2026, updated Thursday 17 Sep 2026. Read Edition 9, the edition that carried it.

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