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Auto-drafted postmortem

ChatGPT outage on May 4 — 48-minute disruption

May 4, 07:45 AM → May 4, 08:34 AM · 48 minutes · high

On May 4, 2026, the ChatGPT service experienced an outage that was detected by user reports. The incident began at 07:45 UTC and was fully resolved by 08:34 UTC, resulting in a 48-minute disruption.

Peak reports
14
in 15 min
Total reports
32
during the incident
Duration
48 minutes
tracked by PulseWatch

Impact

Users reported issues with the ChatGPT service, primarily experiencing slow or unresponsive behavior. A total of 32 reports were received during the incident, with a peak of 14 reports within a 15-minute period. Other reported issues included AI API and general API problems. No specific regional impact was recorded during this event.

Top reported issues

  • Slow / unresponsive20
  • AI API issues9
  • API issues3

Incident timeline

  1. May 4, 07:45 AM

    PulseWatch detected elevated report volume (high severity)

  2. May 4, 08:00 AM

    Peak of 10 reports in 15 minutes (baseline 1.3)

  3. May 4, 08:13 AM

    Status updated: major issue

  4. May 4, 08:23 AM

    Status updated: possible issue

  5. May 4, 08:28 AM

    Status updated: major issue

  6. May 4, 08:34 AM

    Report volume returned to baseline — incident resolved

Official updates

  1. May 4, 07:45 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