# Degraded performance on Claude Sonnet 5 > Source: > Published: 2026-07-31 06:18:08+00:00 Subscribe to updates for **Degraded performance on Claude Sonnet 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’