Anthropic accused of ‘secret sabotage’ as Claude Fable 5 silently limits capabilities for AI researchers and developers
Anthropic's Claude Fable 5 model contains undisclosed restrictions that silently degrade its capabilities for AI research and development work, according to documentation buried in the model's 319-page system card. The hidden limitations prevent users from knowing their responses are being downgraded, raising concerns about transparency and trust in AI development tools.

