503RADARINCIDENT ARCHIVEMETHODOLOGY
LIVE · CONFIRMED

OpenAI outage — August 27, 2026

Users may experience an increase in error rates in Workspace Agents and ChatGPT Work on Web and Mobile

OpenAI’s ChatGPT has a confirmed disruption, detected on August 27, 2026. 503Radar’s sensors raised the first signal at 07:53 UTC, 10h 14m before the official status page acknowledged impact.

Key facts

DetectedAugust 27, 2026 · 07:53 UTC
Confirmed18:08 UTC · lead time 10h 14m
ServiceChatGPT
Official recordhttps://status.openai.com

Timeline

  1. 07:53Z

    Detected · Signal

    8 crowd signals for ChatGPT on OPENAI crossed the signal threshold.
  2. 18:08Z

    Confirmed · Official

    An official OPENAI status-page notice corroborated the event — 10h 14m after detection.

How this was detected

1 independent evidence class for chatgpt on OPENAI. 8 crowd reports across bluesky (single platform — not corroborating), z=+1.2σ vs the cell baseline. Official notice confirms it, 10h 14m after the crowd.