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Auto-drafted postmortem

ChatGPT outage on May 4 — 33-minute disruption

May 4, 09:15 AM → May 4, 09:49 AM · 33 minutes · high

On May 4, 2026, ChatGPT experienced a service disruption, which was detected through user reports. The incident lasted for 33 minutes and was resolved at 09:49 UTC.

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

Impact

Users reported issues with ChatGPT service availability. The primary issues reported included slow or unresponsive service, accounting for 12 reports, and AI API issues, with 6 reports. 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, 09:15 AM

    PulseWatch detected elevated report volume (high severity)

  2. May 4, 09:30 AM

    Peak of 7 reports in 15 minutes (baseline 1.3)

  3. May 4, 09:43 AM

    Status updated: major issue

  4. May 4, 09:49 AM

    Report volume returned to baseline — incident resolved

Official updates

  1. May 4, 09:15 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