Elevated errors on GPT-5.4 Nano GitHub is publishing status updates for an incident titled "Elevated errors on GPT-5.4 Nano," offering email and SMS notifications when the incident is updated, created or resolved. The notice does not state the error rate, the number of affected users, the start time or a root cause, and no resolution has been reported. Subscribe to updates for Elevated errors on GPT-5.4 Nano via email and/or text message. You'll receive email notifications when incidents are updated, and text message notifications whenever GitHub creates or resolves an incident. To receive SMS updates, please verify your number. To proceed with just email click ‘Subscribe’