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All agents  /  Codex  /  History  /  Oct 21, 2026

Codex outage on Oct 21, 2026: degraded performance in ChatGPT, Codex, and APIs

Resolved after 1 h 2 min.

02:26 UTC to 03:28 UTC your time. OpenAI: “Degraded performance in ChatGPT, Codex, and APIs.” 0 reports here during the incident.

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Reports during the incident

Every 15 minutes, 01:15 UTC to 04:30 UTC. Grey: normal. Red line: official incident.
01:15 UTC02:26 UTC03:28 UTC04:30 UTC

What people reported

0 reports during the incident

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OpenAI's updates

Quoted from status.openai.com

  1. 02:26 UTC

    Investigating

    We are investigating the issue for the listed services.

  2. 02:48 UTC

    Monitoring

    We have applied the mitigation and are monitoring the recovery.

  3. 03:28 UTC

    Resolved

    All impacted services have now fully recovered.

Other Codex incidents

Oct 142 h 47 minDegraded performance in Codex and ChatGPT WorkDetails
All Codex incidents

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