ChatGPT outage on November 4, 2026: what happened and how long it lasted
On November 4, 2026, OpenAI / ChatGPT had degraded performance between 22:38 and 22:50 UTC, about 12 min in total. The vendor posted 1 incident.
Timeline（UTC）
- OfficialOfficial incident posted: Elevated error rates across paid ChatGPT plans
- MeasuredModelBank probes detect degraded performance
- MeasuredProbes back to normal (lasted 12 min)
Hourly measurements (UTC)
Also affected that day: Kimi
Official updates（UTC）
- identifiedSome users on paid ChatGPT plans may see errors when sending messages. We are working on implementing a mitigation.
- monitoringWe’ve applied a mitigation and are monitoring the affected services to confirm recovery.
ChatGPT reliability lately
Measured availability over the last 30 days: 98.55%; 24 days with an outage or degradation in the last 90 days.
Previous outages: 2026-11-03 · 2026-10-30 · 2026-10-27 · 2026-10-23 · 2026-10-22 · 2026-10-21
Alternatives while ChatGPT is down
Open one to see whether it is up right now.
FAQ
Was ChatGPT down on November 4, 2026?
On November 4, 2026, OpenAI / ChatGPT had degraded performance between 22:38 and 22:50 UTC, about 12 min in total. The vendor posted 1 incident.
Why was ChatGPT down?
The vendor's own description: Elevated error rates across paid ChatGPT plans. See the official status page for the root cause.
Is ChatGPT working now?
It is working normally now. Live status: https://modelbank.ai/status/openai (tested every 2 minutes).
What can I use instead when ChatGPT is down?
Switch temporarily to Claude, Gemini, Grok, Le Chat, Command, Perplexity API — check on ModelBank that they are up first.
Does ChatGPT go down often?
Measured availability over the last 30 days: 98.55%; 24 days with an outage or degradation in the last 90 days.
How do I hear about the next outage first?
Subscribe for free on ModelBank: email, browser push, or Slack / Discord / Feishu.
Sources: ModelBank's probes every 2 minutes and ChatGPT's official status page. Please cite this page when quoting.