503RADARINCIDENT ARCHIVEMETHODOLOGY
LIVE · CONFIRMED

OpenAI outage — July 27, 2026

Image generation unavailable in ChatGPT

OpenAI’s ChatGPT has a confirmed disruption, detected on July 27, 2026. 503Radar’s sensors raised the first signal at 08:08 UTC, 10h 59m before the official status page acknowledged impact.

Key facts

DetectedJuly 27, 2026 · 08:08 UTC
Confirmed19:08 UTC · lead time 10h 59m
ServiceChatGPT
Official recordhttps://status.openai.com

Timeline

  1. 08:08Z

    Detected · Signal

    17 crowd signals for ChatGPT on OPENAI crossed the signal threshold.
  2. 19:08Z

    Confirmed · Official

    An official OPENAI status-page notice corroborated the event — 10h 59m after detection.

How this was detected

1 independent evidence class for chatgpt on OPENAI. 17 crowd reports across bluesky (single platform — not corroborating), z=+1.2σ vs the cell baseline. Official notice confirms it, 10h 59m after the crowd.