Elevated rate of errors for OpenAI models provided by Copilot

[investigating] We are investigating reports of degraded performance for Copilot AI Model Providers

[investigating] Copilot is experiencing a higher rate of errors for OpenAI models, including gpt-5.2, gpt-5.3-codex, gpt-5.4, gpt-5.4, and the gpt-5.6 family of models. Other models are not impacted. <br />

[investigating] One of our model providers has confirmed an incident on their end. We have provided them details to help identify the issue. We are starting to see recovery.

[monitoring] The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.

[monitoring] The issues with our upstream model provider have been resolved, and gpt-5.3-codex, gpt-5.4-mini, gpt-5.4-nano, gpt-5.5, and the gpt-5.6 family of models are once again available in Copilot products and IDE surfaces.<br /><br />We will continue monitoring to ensure stability, but mitigation is complete.

[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.