OpenAI outage — August 18, 2026
Elevated errors deploying Sites
OpenAI’s Multiple services was disrupted for 5h 46m on August 18, 2026. 503Radar’s sensors raised the first signal at 14:08 UTC, 5h 14m before the official status page acknowledged impact.
Key facts
| Detected | August 18, 2026 · 14:08 UTC |
| Confirmed | 19:23 UTC · lead time 5h 14m |
| Resolved | 19:54 UTC |
| Duration | 5h 46m |
| Service | Multiple services |
| Official record | https://status.openai.com |
Timeline
- 14:08Z
Detected · Signal
1 crowd signal for Multiple services on OPENAI crossed the signal threshold. - 19:23Z
Confirmed · Official
An official OPENAI status-page notice corroborated the event — 5h 14m after detection. - 19:54Z
Resolved
Signal volume fell back below the threshold; the event was closed.
How this was detected
1 independent evidence class for Multiple services on OPENAI. 3 crowd reports across bluesky, hn_comments (below the anomaly threshold), z=+0.5σ vs the cell baseline. Official notice confirms it, 5h 14m after the crowd.