Is OpenAI Codex down? › Outage history
OpenAI Codex outage history
OpenAI Codex published 6 incidents on its official status page since Oct 5, 2026. None was major or long enough for its own page. Below them is every smaller incident, then our own 90 day check history.
Every smaller OpenAI Codex incident
Minor and short incidents from the OpenAI status page, newest first, each with a line from the official updates. Times are UTC.
October 2026
Oct 21, 2026, 02:26 UTC · Degraded performance in ChatGPT, Codex, and APIs
1 hour 2 min · rated "Minor"
"All impacted services have now fully recovered."
Oct 14, 2026, 07:05 UTC · Degraded performance in Codex and ChatGPT Work
2 hours 47 min · rated "Minor"
"All impacted services have now fully recovered."
Oct 13, 2026, 08:10 UTC · Degraded performance in GPT-6.1 Sol Codex and Work mode
8 hours 27 min · rated "Minor"
"We have resolved the issue causing degraded performance with GPT-6.1 Sol in Codex and ChatGPT Work."
Oct 7, 2026, 17:21 UTC · Degraded performance in Codex and Work mode: Dot turn failures, delayed responses, and reduced proactivity
1 hour 2 min · rated "Minor"
"All impacted services have now fully recovered."
Oct 7, 2026, 16:31 UTC · Dot in Codex may fail to create new threads
1 hour 35 min · rated "Minor"
"All impacted services have now fully recovered."
Oct 5, 2026, 17:58 UTC · Elevated error rates in Codex Cloud
6 hours 3 min · marked as no impact
"All impacted services have now fully recovered."
OpenAI Codex uptime, last 90 days
Tracked since Oct 7, 2026. Updated Oct 22, 2026, 12:35 UTC.
Every OpenAI Codex problem in the last 90 days
- Degraded
Degraded performance in ChatGPT, Codex, and APIs
Oct 21, 2026, 02:34 UTC · lasted 16 minutes · from OpenAI Codex's official status page
- Degraded
Degraded performance in GPT-6.1 Sol Codex and Work mode
Oct 13, 2026, 08:33 UTC · lasted 8 hours 7 min · from OpenAI Codex's official status page
Day by day
| Day (UTC) | Uptime | Avg response | Worst |
|---|---|---|---|
| Oct 22, 2026 | 100% | 124 ms | Up |
| Oct 21, 2026 | 100% | 145 ms | Degraded |
| Oct 20, 2026 | 100% | 145 ms | Up |
| Oct 19, 2026 | 100% | 151 ms | Up |
| Oct 18, 2026 | 100% | 143 ms | Up |
| Oct 17, 2026 | 100% | 156 ms | Up |
| Oct 16, 2026 | 100% | 223 ms | Up |
| Oct 15, 2026 | 100% | 259 ms | Up |
| Oct 14, 2026 | 100% | 237 ms | Degraded |
| Oct 13, 2026 | 100% | 229 ms | Degraded |
| Oct 12, 2026 | 100% | 237 ms | Up |
| Oct 11, 2026 | 100% | 202 ms | Up |
| Oct 10, 2026 | 100% | 175 ms | Up |
| Oct 9, 2026 | 100% | 168 ms | Up |
| Oct 8, 2026 | 100% | 161 ms | Up |
| Oct 7, 2026 | 100% | 191 ms | Up |
OpenAI Codex outage questions
Was OpenAI Codex down today?
No. We recorded no OpenAI Codex outage, degraded period or maintenance today (Oct 22, 2026, UTC).
Was OpenAI Codex down yesterday?
Yes. OpenAI Codex had a problem yesterday (Oct 21, 2026, UTC): Degraded performance in ChatGPT, Codex, and APIs (degraded, 16 minutes).
When was OpenAI Codex last down?
The latest problem was on Oct 21, 2026, 02:34 UTC and lasted 16 minutes: Degraded performance in ChatGPT, Codex, and APIs.
How often does OpenAI Codex go down?
OpenAI Codex's status page posted 6 incidents since Oct 5, 2026, 6 of them in the last 30 days. Most incidents affect part of the service, not all of it. Uptime from our own checks over the last 90 days: 100%.
Times are UTC. Official incidents are the company's own posts, quoted from the OpenAI status page. Problem periods start when the official status page or our checks first show a problem and end when the service is next found working, so durations are accurate to within a few minutes. Recent outages across all services.