Outage recap · OpenAI

ChatGPT outage — September 15, 2026

On September 15, 2026, ChatGPT had 2 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.

Elevated errors from GPT-5.6 and GPT-5.6 Instant on paid plans

minor
Started
Sep 15, 3:12 AM 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.

Elevated errors with gpt-image-2.5-flare

major
Started
Sep 15, 7:50 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.