We've suspended access to Claude Mythos 5 and Claude Fable 5 Anthropic suspended access to its Claude Mythos 5 and Claude Fable 5 models, with users receiving notifications via email or SMS. The suspension affects two of the company's AI products, raising concerns about availability and reliability. Subscribe to updates for We’ve suspended access to Claude Mythos 5 and Claude Fable 5 via email and/or text message. You'll receive email notifications when incidents are updated, and text message notifications whenever Claude creates or resolves an incident. To receive SMS updates, please verify your number. To proceed with just email click ‘Subscribe’