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Auto-drafted postmortem

ChatGPT outage on May 4 — 33-minute disruption

May 4, 03:45 AM → May 4, 04:19 AM · 33 minutes · high

On May 4, 2026, the ChatGPT service experienced a disruption, detected through user reports. Users reported issues starting at approximately 03:45 UTC. The service was fully restored by 04:19 UTC, resulting in a 33-minute period of impact.

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

Impact

During the incident, users primarily reported experiencing slow or unresponsive service, accounting for 12 of the total reports. Additionally, 6 reports indicated issues with the AI API. The incident was classified as high severity, with a peak of 10 reports within a 15-minute period. A total of 18 user reports were received during the 33-minute disruption. No specific regional impact was recorded.

Top reported issues

  • Slow / unresponsive12
  • AI API issues6

Incident timeline

  1. May 4, 03:45 AM

    PulseWatch detected elevated report volume (high severity)

  2. May 4, 04:00 AM

    Peak of 7 reports in 15 minutes (baseline 1.3)

  3. May 4, 04:13 AM

    Status updated: major issue

  4. May 4, 04:19 AM

    Report volume returned to baseline — incident resolved

Official updates

  1. May 4, 03:45 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