Breaking

OpenAI Reports Elevated Errors Across ChatGPT, Codex and API Services

September 29, 2026 at 15:04 EDT

AI Agents
Software Dev & Coding

OpenAI reported a degraded-performance incident on September 29 affecting ChatGPT, Codex and multiple API services, including the Agents API, with some users seeing failed requests, login or signup trouble, and tasks that did not complete. The company said it was investigating the incident after first posting an update at 5:52 p.m. UTC and expanding the affected scope at 6:24 p.m. UTC on its status dashboard.

Sep. 29, 2026 · OpenAI

ChatGPT Errors Spread Across OpenAI Stack

OpenAI reported elevated errors affecting ChatGPT, Codex and API services, with failed requests, login trouble and incomplete tasks among the listed symptoms.

Affected Components, Drawn to Scale

API components

ChatGPT components

Codex components

17:52 UTC

Initial incident update

18:24 UTC

Expanded affected scope

User outage reports in 24 hours

What Users May See

Failed requests

Prompts or API calls may not complete.

→

Some accounts may have trouble signing in or signing up.

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Incomplete tasks

Agent and coding workflows may stop before finishing.

Why it matters

The affected services include everyday ChatGPT use, developer APIs, Codex coding surfaces and agent infrastructure.

Key limitation

The public incident text does not yet give a root cause or a confirmed recovery time.

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