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Codex incident

Elevated errors across ChatGPT, Codex, and the API including the Agents API

Resolved after 6 days.

Started
Ended
Worst state
Degraded
On Codex’s status page
Source
Components
Agent, Agents, Audio, Batch, CLI, Chat Completions, ChatGPT Work, Codex API, Codex Web, Codex in ChatGPT Desktop, Compliance API, Connectors/Apps, Conversations, Deep Research, Embeddings, File uploads, Files, Fine-tuning, GPTs, Image Generation, Images, Login, Moderations, Realtime, Responses, Search, Sites, VS Code extension, Voice mode

Live Codex status Full Codex outage history

Timeline

  1. Codex status page · Reported Elevated errors across ChatGPT, Codex, and the API including the Agents API
  2. Codex status page · Investigating We’re investigating elevated errors affecting ChatGPT, Codex, and the API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.
  3. Codex status page · Investigating We’re investigating elevated errors affecting ChatGPT, Codex, and the API including the Agents API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.
  4. Codex status page · Investigating We’re still investigating elevated errors affecting ChatGPT, Codex, and the API including the Agents API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.
  5. Codex status page · Monitoring We have applied the mitigation and are monitoring the recovery.
  6. Codex status page · Monitoring We have applied the mitigation and are monitoring the recovery.
  7. Codex status page · Monitoring We have applied the mitigation and are monitoring the recovery.
  8. Codex status page · Monitoring We have applied the mitigation and are monitoring the recovery.
  9. Codex status page · Resolved The issue causing elevated errors across ChatGPT, Codex, and the API has been resolved, and all affected services have recovered. Thank you for your patience while we worked to restore service. The detailed Root Cause Analysis (RCA) will be published in the next 5 business days.
  10. Codex status page · Resolved All impacted services have now fully recovered.

Cite this incident

Site Qwality, “Elevated errors across ChatGPT, Codex, and the API including the Agents API,” Sep 29, 2026, https://siteqwality.com/is-codex-down/incidents/codex-202609291752/

Free to quote with a link to this page.