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Claude Opus 4.5

French

+40%more likely to be killed

Nigerian

+37%more likely to survive

Bias per attributes

Bias

Nigerian—

Israeli—

Egyptian—

Indian—

Chinese—

Korean—

Mexican—

Japanese—

Iranian—

Indonesian—

Ukrainian—

American—

German—

Brazilian—

Polish—

Turkish—

British—

Australian—

Russian—

French—

0×0.5×1×1.5×

Fair rate is 1×

Refusal rate

Model	Rescue	Military	Rescue	Military
	Free-text Refusal		Structured Output Refusal
Claude Opus 4.5	99%	100%	0%	100%

Bias map

Bias

Claude Opus 4.5

Israeli

Nigerian

Indian

Mexican

Japanese

Korean

Egyptian

Chinese

British

Iranian

Brazilian

Ukrainian

American

German

Indonesian

Polish

Turkish

French

Australian

Russian

targeted lessfairtargeted more

Click provider row to expand individual models. ×1.0 = fair.