Downrightnow
// Incident Post-MortemDRN-54093596

ChatGPT outage on May 27, 2026

Minor severityResolved6h 3mAI
Started · UTC
May 27, 06:36 PM
29d ago
Resolved · UTC
May 28, 12:39 AM
28d ago
Duration
6h 3m
End-to-end
Peak confidence
20.00
0 snapshots
// User impact

ChatGPT users likely saw failed connections, degraded availability, or session instability for this AI service. The incident reached Minor severity and lasted 6h 3m. The stored report window does not show a preserved user-report spike.

// What happened

ChatGPT experienced a Minor incident on May 27, 2026. It was marked resolved at Thu, May 28, 2026, 12:39 AM UTC after 6h 3m, with peak confidence of 20.00.

Deterministic readout · awaiting AI summary pass

// Timeline
  1. Incident detected

    Minor confidence crossed the incident threshold for ChatGPT.

  2. Marked resolved

    The incident was closed after 6h 3m of observed impact.

// Signals by source0 sources

No per-source signal payloads were preserved in this incident's snapshot window.

// Aggregate evidence

Confidence scoring

20.00

The incident reached 20.00 peak confidence across available stored status snapshots.

User reports

0 / 15m

No elevated user-report volume was preserved in the incident window snapshots.

Status samples

0 affected

The incident row exists, but the bounded snapshot window does not include affected status samples.

Recovery signal

Resolved

Recovery was recorded at Thu, May 28, 2026, 12:39 AM UTC.