Anthropic Walks Back Policy That Could Have ‘Sabotaged' AI Researchers Using Claude WIREDClaude Fable 5 and Claude Mythos 5 AnthropicAnthropic: 'We made the wrong tradeoff' in new model guardrails Business InsiderAnthropic's New Fable AI Model Is Met With User Backlash Over Restrictions WSJClaude Fable 5 available today in Microsoft Foundry: Powering the next era of autonomous agents