OpenAI outage — July 28, 2026
Elevated Image Generation Error Rate in ChatGPT
OpenAI’s ChatGPT has a confirmed disruption, detected on July 28, 2026. 503Radar’s sensors raised the first signal at 04:33 UTC, 10h 09m before the official status page acknowledged impact.
Key facts
| Detected | July 28, 2026 · 04:33 UTC |
| Confirmed | 14:43 UTC · lead time 10h 09m |
| Service | ChatGPT |
| Official record | https://status.openai.com |
Timeline
- 04:33Z
Detected · Signal
34 crowd signals for ChatGPT on OPENAI crossed the signal threshold. - 14:43Z
Confirmed · Official
An official OPENAI status-page notice corroborated the event — 10h 09m after detection.
How this was detected
2 independent evidence classes for chatgpt on OPENAI. 34 crowd reports across bluesky (independent class), z=+5.6σ vs the cell baseline. Official notice confirms it, 10h 09m after the crowd.