Is ChatGPT down? › Outage history › Oct 15, 2026
ChatGPT partial outage on Oct 15, 2026: what happened
On Oct 15, 2026, the OpenAI status page reported "Widespread feature degradation". About 2 hours 27 min: from Oct 15, 2026, 16:29 UTC to Oct 15, 2026, 18:56 UTC, by the official start and resolution times.
ChatGPT right now
At our last refresh (Oct 22, 2026, 12:35 UTC) ChatGPT was up: All Systems Operational.
- Started
- Oct 15, 2026, 16:29 UTC
- Resolved
- Oct 15, 2026, 18:56 UTC
- Duration
- 2 hours 27 min
- Official impact
- Major
- Source
- Widespread feature degradation on the OpenAI status page
The OpenAI status page rated the impact "Major": a partial outage. Some parts or some users were affected; it was not a complete outage.
What caused the ChatGPT partial outage?
The OpenAI status page has not published a cause. Its updates describe the symptoms only.
When was it fixed?
The OpenAI status page marked it resolved at Oct 15, 2026, 18:56 UTC, 2 hours 27 min after it started. A fix was in place and being monitored from Oct 15, 2026, 17:13 UTC. Its resolution note: "All impacted services have now fully recovered."
Timeline of official updates
Every update the OpenAI status page posted, oldest first. Times are UTC.
Oct 15, 2026, 16:29 UTC investigating
We are investigating an issue affecting logins and signups across all ChatGPT mobile applications. We will provide updates as we learn more.
Oct 15, 2026, 16:35 UTC investigating
We are investigating widespread feature degradation, including issues affecting logins and signups in the ChatGPT iOS/Android apps. We will provide updates as we learn more.
Oct 15, 2026, 17:13 UTC monitoring
We have applied the mitigation and are monitoring the recovery.
Oct 15, 2026, 18:56 UTC resolved
All impacted services have now fully recovered.
What our checks saw
- Our once-a-minute checks recorded ChatGPT as degraded from Oct 14, 2026, 17:05 UTC to 11:10 UTC on Oct 16, 2026 (42 hours 5 min, read from the official status page).
ChatGPT partial outage questions
What caused the ChatGPT partial outage on Oct 15, 2026?
The OpenAI status page has not published a cause.
When was the ChatGPT partial outage on Oct 15, 2026 fixed?
The OpenAI status page marked it resolved at Oct 15, 2026, 18:56 UTC, 2 hours 27 min after it started. A fix was in place and being monitored from Oct 15, 2026, 17:13 UTC. Its resolution note: "All impacted services have now fully recovered."
How long did the ChatGPT partial outage last?
About 2 hours 27 min: from Oct 15, 2026, 16:29 UTC to Oct 15, 2026, 18:56 UTC, by the official start and resolution times.
Was ChatGPT completely down?
No. The OpenAI status page rated the impact "Major": a partial outage. Some parts or some users were affected; it was not a complete outage.
Other recent ChatGPT incidents
- Elevated ChatGPT conversation and Responses API errors Oct 22, 2026, 02:18 UTC, 6 hours 32 min
- Authentication errors for some users Oct 21, 2026, 22:36 UTC, duration not stated
- Elevated error rates for gpt-5.6-luna API requests Oct 21, 2026, 15:34 UTC, 1 hour 9 min
- Elevated FedRAMP API error rates for Astra and Sol Oct 21, 2026, 14:17 UTC, 5 hours 17 min
- Degraded performance in ChatGPT, Codex, and APIs Oct 21, 2026, 02:26 UTC, 1 hour 2 min
- File Download errors Oct 19, 2026, 13:31 UTC, 42 minutes
Full ChatGPT outage history and biggest outages → · Recent outages across all services →
Quotes are the OpenAI status page's own words, from the official incident. Is It Up or Down is independent and not affiliated with ChatGPT. Times are UTC.