ChatGPT outage on November 3, 2026: what happened and how long it lasted
On November 3, 2026, OpenAI / ChatGPT had degraded performance between 00:46 and 05:40 UTC, about 4.9 h in total. The vendor posted 1 incident.
Timeline（UTC）
- OfficialOfficial incident posted: File upload errors in ChatGPT
- MeasuredModelBank probes detect degraded performance
- OfficialOfficially resolved: File upload errors in ChatGPT
- MeasuredProbes back to normal (lasted 4.9 h)
Hourly measurements (UTC)
Also affected that day: DeepSeek API
Official updates（UTC）
- identifiedSome users are having trouble uploading files to ChatGPT or getting ChatGPT to read uploaded files. We are working on implementing a mitigation.
- investigatingWe’re investigating a potential issue for the listed services and checking how it affects users. We’ll share an update when we know more.
- identifiedWe have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation.
- monitoringWe’ve applied a mitigation and are monitoring the affected services to confirm recovery.
- resolvedAll affected services are operating normally again. We’re sorry for the disruption, and we appreciate your patience.
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: 2026-10-30 · 2026-10-27 · 2026-10-23 · 2026-10-22 · 2026-10-21 · 2026-10-19
Alternatives while ChatGPT is down
Open one to see whether it is up right now.
FAQ
Was ChatGPT down on November 3, 2026?
On November 3, 2026, OpenAI / ChatGPT had degraded performance between 00:46 and 05:40 UTC, about 4.9 h in total. The vendor posted 1 incident.
Why was ChatGPT down?
The vendor's own description: File upload errors in ChatGPT. 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.