: OpenAI Codex degraded performance hits multiple ChatGPT services
OpenAI began investigating increasing error rates in Codex on , marking a degraded performance for Codex-related components. The impact affected ChatGPT / Codex, ChatGPT / Deep Research, and ChatGPT / Login, with users experiencing login issues, errors when using the GitHub connector with Deep Research, and general Codex-related failures. OpenAI issued status updates as engineers worked to implement a fix, and services gradually returned to normal later that day. The outage lasted about 4 hours and 41 minutes, resolved by . User reports were present but limited, indicating a localized impact rather than a service-wide outage.