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Resolved GitHub · degraded service

Elevated errors on GPT-5.4 Nano

Posted 2 Nov 17:46 UTC, last seen today 13:31 UTC.

GitHub status pageOn the status board
Unknown Duration: the provider stated no start
5Updates posted
5Other incidents at the same time

What it affected

As the provider names it

CopilotCopilot AI Model Providers

What the provider posted

Newest first
  1. 2 Nov 18:24 UTCResolvedThis 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.
  2. 2 Nov 18:10 UTCMonitoringThe degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
  3. 2 Nov 17:58 UTCUpdateWe 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.
  4. 2 Nov 17:46 UTCUpdateWe are investigating reports of elevated errors on GPT-5.4 Nano
  5. 2 Nov 17:46 UTCInvestigatingWe are investigating reports of degraded performance for Copilot AI Model Providers

Around it

From the sources ChangeIntel reads; a match in time is not a cause

Earlier incidents in the 14 days before

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What changed

  1. Services: Copilot, Copilot AI Model Providers
  2. Status: Monitoring → Resolved · Incident state: Ongoing → Ended
  3. Status: Investigating → Monitoring
Page history

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Field-level log (7)

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  1. 8 Nov 2026 · 16:47:15 UTC ServicesCopilot, Copilot AI Model Providers
  2. 2 Nov 2026 · 18:29:50 UTC StageMonitoring → Resolved
  3. 2 Nov 2026 · 18:29:50 UTC Observed stateOngoing → Ended
  4. 2 Nov 2026 · 18:29:50 UTC SummaryThe degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability. → 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.
  5. 2 Nov 2026 · 18:14:35 UTC StageInvestigating → Monitoring
  6. 2 Nov 2026 · 18:14:35 UTC SummaryWe 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. → The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
  7. 2 Nov 2026 · 17:59:20 UTC SummaryWe are investigating reports of elevated errors on GPT-5.4 Nano → 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.
ChangeIntel

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Sources read 13 Nov 13:11 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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