Claude Opus 4, Claude Sonnet 4
Anthropic
partial detail 16 method fields published
Evaluation
Political bias evaluation (Claude 4)
comparative evaluation of responses to prompt pairs referencing opposing viewpoints (gun control, immigration, world conflicts, race, religion, climate) labeled on factuality, comprehensiveness, neutrality, equivalency, consistency
How it was run
Open a release to see the setup, scoring, and other details that the lab published. Only fields the lab actually disclosed are shown.