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Auto-drafted postmortem

ChatGPT outage on May 4 — 33-minute disruption

May 4, 06:01 AM → May 4, 06:34 AM · 33 minutes · high

On May 4, 2026, the ChatGPT service experienced an outage, which was detected through user reports. The incident began at approximately 06:01 UTC and was fully resolved by 06:34 UTC, resulting in a 33-minute period of disruption.

Peak reports
10
in 15 min
Total reports
18
during the incident
Duration
33 minutes
tracked by PulseWatch

Impact

During the incident, users reported issues primarily related to the ChatGPT service being slow or unresponsive, accounting for 12 of the 18 total reports received. Additionally, 6 reports indicated problems with AI API functionality. While no specific regional impact was recorded, the high severity of the incident was reflected in the 18 user reports received over the 33-minute duration, with a peak of 10 reports within a 15-minute window.

Top reported issues

  • Slow / unresponsive12
  • AI API issues6

Incident timeline

  1. May 4, 06:01 AM

    PulseWatch detected elevated report volume (high severity)

  2. May 4, 06:15 AM

    Peak of 7 reports in 15 minutes (baseline 1.3)

  3. May 4, 06:34 AM

    Report volume returned to baseline — incident resolved

Official updates

  1. May 4, 06:01 AM

    ChatGPT status page acknowledged the incident.

    View official source
Draft auto-generated by PulseWatch when the incident resolved. Based on aggregated user-report signals and the sources listed above.
This postmortem was auto-generated from PulseWatch's record of the incident. · Model: gemini-2.5-flash