Outage in OpenAI
Elevated errors in Codex
Resolved Minor
April 23, 2026 - Started about 5 hours ago
- Lasted about 2 hours
Incident Report
Summary AI Generated
OpenAI experienced elevated errors affecting Codex gpt-5.5 usage for 2.1 hours, with some users encountering intermittent "not found" errors when starting or updating requests. The incident impacted both Codex and ChatGPT services. The issue was classified as minor and OpenAI worked to mitigate the problem.
We’re investigating elevated errors affecting Codex gpt-5.5 usage. Some users may see intermittent “not found” errors when starting or updating requests. We’re working to mitigate the issue and will share another update soon.
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Latest Updates ( sorted recent to last )
INVESTIGATING
about 5 hours ago - at 04/23/2026 06:23PM
We’re investigating elevated errors affecting Codex gpt-5.5 usage. Some users may see intermittent “not found” errors when starting or updating requests. We’re working to mitigate the issue and will share another update soon.
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