OpenAI Reports Elevated Errors Across ChatGPT, Codex and APIs
OpenAI says ChatGPT, Codex and its APIs, including the Agents API, are seeing elevated error rates and warns of failed requests and login problems.
OpenAI confirmed on September 29, 2026 that ChatGPT, Codex and its APIs are experiencing elevated error rates. The disruption also affects the Agents API, according to the company.
In its notice, OpenAI warned that users may encounter failed requests, difficulty logging in or signing up, and tasks that do not complete. The company said it is investigating the issue.
The outage appears to have started around 2:00 PM ET on September 29, 2026. OpenAI has not given an estimate for when service will return to normal.
The incident was reported by androidauthority.com. Affected products span OpenAI's consumer chatbot, its coding tool and its developer-facing APIs.
Quick answers
What OpenAI services are affected?
ChatGPT, Codex and OpenAI's APIs, including the Agents API, are experiencing elevated error rates.
What problems might users see?
OpenAI says users may encounter failed requests, difficulty logging in or signing up, and tasks that do not complete.
When did the outage start?
The outage appears to have started around 2:00 PM ET on September 29, 2026.