Delayed support responses
none- Started
- Sep 18, 5:36 PM EDT
- Resolved
- —
- Duration
- not marked resolved
As reported by OpenAI's official status page (status: monitoring). We report the vendor's own words, never an inferred cause.
Outage recap · OpenAI
ChatGPT outage — September 18, 2026
On September 18, 2026, ChatGPT had 3 reported incidents on OpenAI's official status page. Below is what was reported — impact, timing, and the AI services the same upstream outage could affect.
Overbilling for OpenAI-hosted containers in the Agent API
none- Started
- Sep 18, 6:29 PM EDT
- Resolved
- —
- Duration
- not marked resolved
As reported by OpenAI's official status page (status: monitoring). We report the vendor's own words, never an inferred cause.
SSO sign-in and SCIM provisioning issues
none- Started
- Sep 18, 7:00 PM EDT
- Resolved
- —
- Duration
- not marked resolved
As reported by OpenAI's official status page (status: monitoring). We report the vendor's own words, never an inferred cause.
The AI cascade
ChatGPT depends on OpenAI. When that upstream has an incident, it doesn't hit ChatGPT alone — these AI tools share the dependency and can degrade at the same time:
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AIDownCheck is not affiliated with OpenAI. This recap summarizes incidents published on OpenAI's official status page.