OpenAI / ChatGPT
Degraded

ChatGPT outage on October 21, 2026: what happened and how long it lasted

On October 21, 2026, OpenAI / ChatGPT had degraded performance between 02:26 and 19:34 UTC, about 17.1 h in total. The vendor posted 3 incidents.

Live status

Timeline (UTC)

  1. OfficialOfficial incident posted: Degraded performance in ChatGPT, Codex, and APIs
  2. OfficialOfficially resolved: Degraded performance in ChatGPT, Codex, and APIs
  3. OfficialOfficial incident posted: Elevated FedRAMP API error rates for Astra and Sol
  4. OfficialOfficial incident posted: Elevated error rates for gpt-5.6-luna API requests
  5. OfficialOfficially resolved: Elevated error rates for gpt-5.6-luna API requests
  6. OfficialOfficially resolved: Elevated FedRAMP API error rates for Astra and Sol

Hourly measurements (UTC)

00:0012:0023:00
Was ChatGPT down on October 21, 2026?

On October 21, 2026, OpenAI / ChatGPT had degraded performance between 02:26 and 19:34 UTC, about 17.1 h in total. The vendor posted 3 incidents.

Is ChatGPT working now?

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