Incident report · read from OpenAI's status page

OpenAI incident: Elevated errors across ChatGPT, Codex, and the API including the Agents API

Resolved after 5 h 21 m (29 Sep 2026, 17:52–23:14 UTC), impact minor, affecting Login, File uploads, Voice mode, Search, Conversations, Images, Batch, Chat Completions, Audio, Fine-tuning, Realtime, Files, Embeddings, Moderations, Compliance API, Responses, Image Generation, GPTs, Agent, Deep Research, Codex Web, Connectors/Apps, CLI, Codex in ChatGPT Desktop, VS Code extension, Codex API, ChatGPT Work, Sites and Agents.

Timeline

1. 29 Sep 2026 at 17:52 UTC investigating

   We’re investigating elevated errors affecting ChatGPT, Codex, and the API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.

2. 29 Sep 2026 at 18:24 UTC investigating

   We’re investigating elevated errors affecting ChatGPT, Codex, and the API including the Agents API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.

3. 29 Sep 2026 at 19:08 UTC investigating

   We’re still investigating elevated errors affecting ChatGPT, Codex, and the API including the Agents API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.

4. 29 Sep 2026 at 19:39 UTC monitoring

   We have applied the mitigation and are monitoring the recovery.

5. 29 Sep 2026 at 21:09 UTC monitoring

   We have applied the mitigation and are monitoring the recovery.

6. 29 Sep 2026 at 22:03 UTC monitoring

   We have applied the mitigation and are monitoring the recovery.

7. 29 Sep 2026 at 22:47 UTC monitoring

   We have applied the mitigation and are monitoring the recovery.

8. 29 Sep 2026 at 23:14 UTC resolved

   The issue causing elevated errors across ChatGPT, Codex, and the API has been resolved, and all affected services have recovered. Thank you for your patience while we worked to restore service. The detailed Root Cause Analysis (RCA) will be published in the next 5 business days.

9. 6 Oct 2026 at 08:26 UTC resolved

   All impacted services have now fully recovered.

Affected components

• ChatGPT · Login: degraded for 5 h 21 m
• ChatGPT · File uploads: degraded for 5 h 21 m
• ChatGPT · Voice mode: degraded for 5 h 21 m
• ChatGPT · Search: degraded for 5 h 21 m
• ChatGPT · Conversations: degraded for 5 h 21 m
• APIs · Images: degraded for 5 h 21 m
• APIs · Batch: degraded for 5 h 21 m
• APIs · Chat Completions: degraded for 5 h 21 m
• APIs · Audio: degraded for 5 h 21 m
• APIs · Fine-tuning: degraded for 5 h 21 m
• APIs · Realtime: degraded for 5 h 21 m
• APIs · Files: degraded for 5 h 21 m
• APIs · Embeddings: degraded for 5 h 21 m
• APIs · Moderations: degraded for 5 h 21 m
• ChatGPT · Compliance API: degraded for 5 h 21 m
• APIs · Responses: degraded for 5 h 21 m
• ChatGPT · Image Generation: degraded for 5 h 21 m
• ChatGPT · GPTs: degraded for 5 h 21 m
• ChatGPT · Agent: degraded for 5 h 21 m
• APIs · Login: degraded for 5 h 21 m
• ChatGPT · Deep Research: degraded for 5 h 21 m
• Codex · Codex Web: degraded for 5 h 21 m
• ChatGPT · Connectors/Apps: degraded for 5 h 21 m
• Codex · CLI: degraded for 5 h 21 m
• ChatGPT · Codex in ChatGPT Desktop: degraded for 5 h 21 m
• Codex · VS Code extension: degraded for 5 h 21 m
• Codex · Codex API: degraded for 5 h 21 m
• ChatGPT · ChatGPT Work: degraded for 5 h 21 m
• ChatGPT · Sites: degraded for 5 h 21 m
• APIs · Agents: degraded for 5 h 21 m

Source

OpenAI's own report of this incident, on OpenAI's status page. This page is a record of OpenAI's own report; where the two disagree, theirs is right.

Last checked 30 Oct 2026 at 16:27 UTC.

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