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Political even-handedness

Anthropic | In Edition 9,

The call on this one

WATCHif you evaluate model bias

SOURCE Anthropic, Measuring political bias in Claude

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%.

Added to The Deploy Log , updated . Read Edition 9, the edition that carried it.

11 rows from Anthropic in The Deploy Log are dated on or before this one, this one included.

The same day from Anthropic: AI-orchestrated espionage (0 days apart). After it: Claude in Microsoft Foundry, 7 days later.

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