Degraded performance for Claude Opus 5 Anthropic reported degraded performance for Claude Opus 5, its latest AI model, with users experiencing issues. The company is investigating and providing updates via email and SMS notifications. Subscribe to updates for Degraded performance for Claude Opus 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’