ChatGPT, Codex and API down for hours
OpenAI's ChatGPT, Codex and API platform were unavailable to many users worldwide for several hours, with some reporting lost work in projects.
- Service
- ChatGPT (OpenAI)
- Date
- 20 April 2026
- Cause
- Unknown
- Duration
- Not stated or multi-day
- Status
- resolved
- Severity
- major
- Region
- Global
- Source
- Tom's Guide ↗
Cite this
Nuffield Consulting, “ChatGPT, Codex and API down for hours”, The Daily Tech Wire outage & breach log, 20 Apr 2026. https://techwire.nuffieldconsulting.com/incidents/2026-04-20-chatgpt-openai-outage/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: Tom's Guide, https://www.tomsguide.com/news/live/chatgpt-down-live-updates-outage-4-20-2026.
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