GitHub outage on September 3, 2026: Incident with Grok Copilot AI Model Provider
GitHub reported an incident affecting GitHub for 2 hours 54 minutes on 3 September 2026, from 14:17 to 17:11 UTC.
Resolved
Official incident reported by GitHub
- Started
- 14:17
- 3 Sep 2026 UTC
- Resolved
- 17:11
- 3 Sep 2026 UTC
- Duration
- 2h 54m
- 2 hours 54 minutes
- Impact
- Minor
- as rated by GitHub
- Updates
- 5
- posted by GitHub
Timeline
All times UTC.
Official incident from GitHub
Incident with Grok Copilot AI Model Provider
-
Official
Investigating
We are investigating reports of degraded performance for Copilot AI Model Providers
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Official
Investigating
We are experiencing degraded availability for the Grok 4.6 model in Copilot Chat, VS Code and other Copilot products. This is due to an issue with an upstream model provider. We are working with them to resolve the issue.
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Official
Investigating
The Grok 4.5 model has degraded availability as well. We are working with the upstream provider to resolve the issue.
-
Official
Investigating
The issues with our upstream model provider have been resolved, and Grok models are once again available in Copilot products and IDE surfaces. We will continue monitoring to ensure stability, but mitigation is complete.
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Official
Resolved
Between 13:22 and 17:11 UTC on September 03, 2026, GitHub Copilot experienced degradation affecting several Grok models, including Grok 4.5 and Grok 4.6. Users encountered elevated error rates, but other models were not affected. The degradation was caused by an issue with an upstream model provider. GitHub engineers detected the issue through automated monitoring, displayed in-product warnings for the affected models, and coordinated with the provider. Service returned to normal after the provider implemented a mitigation.
"Official" rows are quoted from GitHub's public status page, www.githubstatus.com. Very long posts are shortened.
What our checkpoints saw
HostTracker's checkpoints, which test github.com from several locations, recorded no outage of 5 minutes or longer during this incident. A provider can report a problem that affects only some features, regions or accounts, which a check of the main address does not see. The live GitHub status shows what our checks see right now.
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Independent measurement by HostTracker. Not affiliated with GitHub. Official updates are quoted from GitHub's public status page and remain GitHub's own words.