Copilot outage on November 9, 2026: what happened and how long it lasted
On November 9, 2026, GitHub Copilot had an outage between 05:59 and 00:05 UTC, about 18.1 h in total. The vendor posted 4 incidents.
Timeline（UTC）
- OfficialOfficial incident posted: Increased timeouts due to surge in anonymous users
- OfficialOfficially resolved: Increased timeouts due to surge in anonymous users
- OfficialOfficial incident posted: Incident with Webhooks and Actions
- OfficialOfficially resolved: Incident with Webhooks and Actions
- OfficialOfficial incident posted: Incident with Actions and Checks API
- OfficialOfficially resolved: Incident with Actions and Checks API
- OfficialOfficial incident posted: Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot
- MeasuredModelBank probes detect an outage
- MeasuredProbes back to normal (lasted 32 min)
- OfficialOfficially resolved: Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot
Hourly measurements (UTC)
Official updates（UTC）
- investigatingWe are investigating reports of impacted performance for some GitHub services.
- investigatingWe are debugging a spike in anonymous traffic. Some users who are not logged in may see errors on the site. CI jobs and release downloads may fail with a 504 Gateway Timeout status if they make anonymous calls.
- monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
- monitoringThe problem with anonymous traffic receiving 504 status codes has been mitigated. We are continuing to observe for an abundance of caution.
- investigatingWe have observed a repeated increase in 504 errors for anonymous and unauthenticated traffic, including users who are not logged in and release downloads. We are continuing to investigate and apply mitigations.
- investigatingWe are continuing to observe high rates of 504 errors for anonymous requests. We are continuing to work on mitigation. Logged-in users and authenticated requests are unaffected.
- investigatingError rates have declined again, and we’re preparing targeted traffic controls while monitoring for a recurrence. Logged-in users and authenticated requests have not been affected.
- monitoringWe are resolving this incident as error rates have remained low and we have prepared additional protections.
- resolvedThis incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.
- investigatingWe are investigating reports of degraded performance for Actions and Webhooks
- investigatingWe're investigating delays in Actions runs start times and webhook deliveries.
- investigatingWe've applied a mitigation and are monitoring for recovery.
Copilot reliability lately
Measured availability over the last 30 days: 99.90%; 1 day with an outage or degradation in the last 90 days.
Alternatives while Copilot is down
Open one to see whether it is up right now.
FAQ
Was Copilot down on November 9, 2026?
On November 9, 2026, GitHub Copilot had an outage between 05:59 and 00:05 UTC, about 18.1 h in total. The vendor posted 4 incidents.
Why was Copilot down?
The vendor's own description: Increased timeouts due to surge in anonymous users; Incident with Webhooks and Actions; Incident with Actions and Checks API; Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot. See the official status page for the root cause.
Is Copilot working now?
It is working normally now. Live status: https://modelbank.ai/status/github-copilot (tested every 2 minutes).
What can I use instead when Copilot is down?
Switch temporarily to Cursor IDE, Windsurf IDE, Lovable.dev, v0, Poe, OpenRouter API — check on ModelBank that they are up first.
Does Copilot go down often?
Measured availability over the last 30 days: 99.90%; 1 day 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 Copilot's official status page. Please cite this page when quoting.