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GitHub: Elevated errors on GPT-5.4 Nano

  1. Investigating(done)
  2. Trending(skipped)
  3. Workaround available(skipped)
  4. Resolved(current)

Executive summary

GitHub is experiencing elevated error rates for the GPT-5.4 Nano model in Copilot products and IDE surfaces due to an issue with an upstream model provider. The degradation affecting Copilot AI Model Providers has been mitigated.

No verified workaround yet

This incident was resolved upstream without a reported workaround.

Official fix
Technical root cause

Under active investigation. No report has identified a root cause yet.

Evidence

1 report · 1 StatusShow
  1. [1]
    Status First report
    Elevated errors on GPT-5.4 Nano(opens official status page in a new tab)

    Investigating: We are investigating reports of degraded performance for Copilot AI Model Providers Update: We are investigating reports of elevated errors on GPT-5.4 Nano Update: 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…

    by github status

Timeline

  1. First report on status page

    Elevated errors on GPT-5.4 Nano

    Source
  2. Official statement

    Investigating: We are investigating reports of degraded performance for Copilot AI Model Providers Update: We are investigating reports of elevated errors on GPT-5.4 Nano Update: We are experiencing degraded availability for the GPT-5.4 Nano model in Copilot products and IDE surfaces.

    Source
  3. Status changed

    Status changed: new → resolved (official status page reports resolution).