Degraded
ChatGPT outage on September 23, 2026: what happened and how long it lasted
On September 23, 2026, OpenAI / ChatGPT had degraded performance between 09:13 and 23:49 UTC, about 14.6 h in total. The vendor posted 2 incidents.
Timeline (UTC)
- OfficialOfficial incident posted: Elevated Error Rates for ChatGPT across Plus and Pro plans.
- OfficialOfficially resolved: Elevated Error Rates for ChatGPT across Plus and Pro plans.
- OfficialOfficial incident posted: Mobile users unable to see Work Mode and the Model Picker
- OfficialOfficially resolved: Mobile users unable to see Work Mode and the Model Picker
Hourly measurements (UTC)
00:0012:0023:00
Was ChatGPT down on September 23, 2026?
On September 23, 2026, OpenAI / ChatGPT had degraded performance between 09:13 and 23:49 UTC, about 14.6 h in total. The vendor posted 2 incidents.
Is ChatGPT working now?
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