Claude's constitutional AI approach (ANSWERED)
Constitutional AI is Anthropic's differentiator and a must-know for Claude-focused interviews. Go beyond the marketing — explain the self-critique training loop, how CAI compares to RLHF, and practical safety implications for production deployments.

TL;DR — Quick Answer
Constitutional AI trains models using a set of principles (constitution) to self-critique and revise responses, reducing harmful outputs without extensive human labeling.
The Interview Question
Explain Constitutional AI and how Anthropic applies it in Claude models.
Deep Explanation
CAI involves: (1) Define constitution of principles, (2) Model generates response, (3) Model critiques against constitution, (4) Revised response used for RLHF. Results in more aligned, helpful, and harmless behavior with less human feedback needed for edge cases.
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