Sonnet 4.6 and Sonnet 5 errors elevated Anthropic reported elevated error rates for Sonnet 4.6 and Sonnet 5, with notifications available via email or SMS for incident updates. Subscribe to updates for Sonnet 4.6 and Sonnet 5 errors elevated 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’