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Responding to growing concerns about AI bias and recent regulatory pressure, Anthropic has released details about its methodology for evaluating and mitigating political bias in its Claude AI chatbot. The company aims for Claude to provide balanced and thorough analysis of diverse political viewpoints.

Anthropic’s strategy includes instructing Claude to refrain from offering unsolicited political opinions, prioritize factual accuracy, and present multiple perspectives on complex issues. They employ reinforcement learning techniques, rewarding Claude when it avoids expressing explicitly conservative or liberal stances. Furthermore, Anthropic has developed an open-source tool to quantify political neutrality in AI responses.

Internal testing indicates that Claude Sonnet 4.5 and Claude Opus 4.1 achieve high levels of even-handedness, scoring 95% and 94% respectively. These scores reportedly exceed those of other prominent AI models, such as Meta’s Llama 4 (66%) and GPT-5 (89%). Anthropic asserts that maintaining impartiality is vital for AI models to respect user autonomy and promote well-informed decision-making.