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OpenAI

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Auto-drafted postmortem

OpenAI outage on May 4 — 9h 33m disruption

May 4, 03:15 AM → May 4, 12:49 PM · 9h 33m · medium

OpenAI experienced a service disruption on May 4, 2026, which was initially detected via user reports. The incident began at 03:15 UTC and was resolved at 12:49 UTC on the same day.

Peak reports
18
in 15 min
Total reports
231
during the incident
Duration
9h 33m
tracked by PulseWatch

Impact

During the 9-hour and 33-minute service disruption, users reported a range of issues. The most frequently reported problem was slow or unresponsive service, accounting for 200 of the 231 total reports. Additionally, 28 reports indicated website downtime, and 3 reports cited API issues. No specific top impacted regions were recorded during this period.

Top reported issues

  • Slow / unresponsive200
  • Website down28
  • API issues3

Incident timeline

  1. May 4, 03:15 AM

    PulseWatch detected elevated report volume (medium severity)

  2. May 4, 03:30 AM

    Peak of 8 reports in 15 minutes (baseline 4.0)

  3. May 4, 03:43 AM

    Status updated: major issue

  4. May 4, 03:48 AM

    Status updated: possible issue

  5. May 4, 03:53 AM

    Status updated: major issue

  6. May 4, 03:58 AM

    Status updated: major issue

  7. May 4, 04:03 AM

    Status updated: possible issue

  8. May 4, 04:08 AM

    Status updated: major issue

  9. May 4, 04:13 AM

    Status updated: major issue

  10. May 4, 04:23 AM

    Status updated: possible issue

  11. May 4, 04:28 AM

    Status updated: major issue

  12. May 4, 04:38 AM

    Status updated: possible issue

  13. May 4, 04:43 AM

    Status updated: possible issue

  14. May 4, 04:48 AM

    Status updated: possible issue

  15. May 4, 12:38 PM

    Status updated: possible issue

  16. May 4, 12:43 PM

    Status updated: possible issue

  17. May 4, 12:48 PM

    Status updated: possible issue

  18. May 4, 12:49 PM

    Report volume returned to baseline — incident resolved

Official updates

  1. May 4, 03:15 AM

    OpenAI 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