Anthropic Walks Back Policy That Could Have ‘Sabotaged’ AI Researchers Using Claude
Following widespread backlash, Anthropic reversed a hidden policy in Claude's Fable 5 system card that would silently limit effectiveness for users asking about frontier LLM development. The company apologized, saying it made the wrong tradeoff, and is making the safeguards visible—flagged requests will now visibly fall back to Opus 4.8 with a reason provided.