Outage
ChatGPT outage on September 16, 2026: what happened and how long it lasted
On September 16, 2026, OpenAI / ChatGPT had an outage between 23:50 and 19:34 UTC, about 19.7 h in total. The vendor posted 2 incidents.
Timeline (UTC)
- OfficialOfficial incident posted: Elevated errors with gpt-image-2.5-flare
- OfficialOfficially resolved: Elevated errors with gpt-image-2.5-flare
- OfficialOfficial incident posted: Elevated errors in ChatGPT Work
- OfficialOfficially resolved: Elevated errors in ChatGPT Work
Hourly measurements (UTC)
00:0012:0023:00
Was ChatGPT down on September 16, 2026?
On September 16, 2026, OpenAI / ChatGPT had an outage between 23:50 and 19:34 UTC, about 19.7 h in total. The vendor posted 2 incidents.
Is ChatGPT working now?
Live status: modelbank.ai/status/openai. We test it every 2 minutes.
How do I hear about the next outage first?
Subscribe for free on ModelBank: email, browser push, or Slack / Discord / Feishu.