GitHub: Elevated errors on GPT-5.4 Nano
Affected components: Copilot AI Model Providers
Timeline of updates
- investigating
We are investigating reports of degraded performance for Copilot AI Model Providers
- investigating
We are investigating reports of elevated errors on GPT-5.4 Nano
- investigating
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
The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
- resolved
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.
Changes Rewindex caught on this incident
- Incident updated: Elevated errors on GPT-5.4 Nano
- Incident updated: Elevated errors on GPT-5.4 Nano
- Incident updated: Elevated errors on GPT-5.4 Nano
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves these records existed by then and have not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-11-02 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
90f99c91dfc9aa88…Version 2 captured
In the 2026-11-02 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
41a89c77fe7b550d…Version 3 captured
In the 2026-11-02 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
0e00dcd12a369c2e…Version 4 captured
In the 2026-11-02 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
ebcc42e0fa6ca63d…
Impact, status and times are the vendor’s own, as last archived. View on www.githubstatus.com (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by GitHub, started 2026-11-02 17:46 UTC, resolved after 38 min, 5 update(s); edited after publishing.
- Title
- Elevated errors on GPT-5.4 Nano
- Vendor
- GitHub
- Date
- URL
- https://rewindex.com/company/github/incidents/db4x8hh362t8
GitHub profileRecent GitHub incidentsAll outages on November 2, 2026GitHub in November 2026MarkdownJSON