Elevated errors on GPT-5.4 Nano
minor- Started
- Nov 2, 12:46 PM EST
- Resolved
- Nov 2, 1:24 PM EST
- Duration
- 38 min
GitHub's updates (5)
- investigating · Nov 2, 12:46 PM EST
We are investigating reports of degraded performance for Copilot AI Model Providers
- investigating · Nov 2, 12:46 PM EST
We are investigating reports of elevated errors on GPT-5.4 Nano
- investigating · Nov 2, 12:58 PM EST
We are experiencing degraded availability for the GPT-5.4 Nano model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider.
- monitoring · Nov 2, 1:10 PM EST
The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
- resolved · Nov 2, 1:24 PM EST
This 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.
What our checks recorded
We checked GitHub Copilot 7 times from GitHub's start time to its resolution, once every five minutes. Every one of them reached GitHub Copilot's site, so this incident did not show up as a failed page load. Our check loads the public site; it cannot see an API error or a broken feature. Median response time was 284 ms, against 479 ms over the 24 hours before. GitHub posted the incident at Nov 2, 12:46 PM EST.
Updates are GitHub's own words from its status page (status: resolved); we never add an inferred cause. The vendor's incident page ↗