503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

OpenAI outage — August 5, 2026

Elevated errors in ChatGPT conversations with files

OpenAI’s ChatGPT was disrupted for 11h 15m on August 5, 2026. 503Radar’s sensors raised the first signal at 09:24 UTC, 7h 43m before the official status page acknowledged impact.

Key facts

DetectedAugust 5, 2026 · 09:24 UTC
Confirmed17:08 UTC · lead time 7h 43m
Resolved20:39 UTC
Duration11h 15m
ServiceChatGPT
Official recordhttps://status.openai.com

Timeline

  1. 09:24Z

    Detected · Signal

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

    Confirmed · Official

    An official OPENAI status-page notice corroborated the event — 7h 43m after detection.
  3. 20:39Z

    Resolved

    Signal volume fell back below the threshold; the event was closed.

How this was detected

1 independent evidence class for chatgpt on OPENAI. 11 crowd reports across bluesky (single platform — not corroborating), z=+2.0σ vs the cell baseline. Official notice confirms it, 7h 43m after the crowd.