# OpenAI: Degraded performance in ChatGPT, Codex, and APIs

> OpenAI status incident “Degraded performance in ChatGPT, Codex, and APIs” on 2026-10-21: impact minor (vendor’s label), 1.0 h, 3 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/openai/incidents/01M5E4G39TD1BW1QWHZG6RFA5H
Last updated: 2026-10-21T03:33:17Z

- Impact (vendor’s label): minor
- Status: resolved · edited after publishing
- Started: 2026-10-21 02:26 UTC · Resolved: 2026-10-21 03:28 UTC · Duration: 1.0 h
- Updates: 3 · Affected components: 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, Login, Deep Research, Codex Web, Connectors/Apps, CLI, Codex in ChatGPT Desktop, Codex API, ChatGPT Work, Sites, Space, dots, Decisions, Agents, Live
- [Vendor status page: https://status.openai.com/incidents/01M5E4G39TD1BW1QWHZG6RFA5H](https://status.openai.com/incidents/01M5E4G39TD1BW1QWHZG6RFA5H)
- [Company: OpenAI](https://rewindex.com/company/openai.md)

## Timeline of updates

- **investigating** 2026-10-21 02:26 UTC: We are investigating the issue for the listed services.
- **monitoring** 2026-10-21 02:48 UTC: We have applied the mitigation and are monitoring the recovery.
- **resolved** 2026-10-21 03:28 UTC: All impacted services have now fully recovered.

## Rewindex changes for this incident

- 2026-10-21 02:53 UTC: [Incident updated: Degraded performance in ChatGPT, Codex, and APIs](https://rewindex.com/change/re5c0a11c169680.md)
- 2026-10-21 03:33 UTC: [Incident silently edited: Degraded performance in ChatGPT, Codex, and APIs](https://rewindex.com/change/rac8c565f079f70.md)

## Cite this

Status incident (vendor impact label: minor) posted by OpenAI, started 2026-10-21 02:26 UTC, resolved after 1.0 h, 3 update(s); edited after publishing.

- Canonical URL: https://rewindex.com/company/openai/incidents/01M5E4G39TD1BW1QWHZG6RFA5H
- Citation: OpenAI, “Degraded performance in ChatGPT, Codex, and APIs” (2026-10-21 02:26 UTC). Archived by Rewindex: https://rewindex.com/company/openai/incidents/01M5E4G39TD1BW1QWHZG6RFA5H (CC BY 4.0).
- Markdown link: `[OpenAI: Degraded performance in ChatGPT, Codex, and APIs (2026-10-21)](https://rewindex.com/company/openai/incidents/01M5E4G39TD1BW1QWHZG6RFA5H)`


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Canonical: https://rewindex.com/company/openai/incidents/01M5E4G39TD1BW1QWHZG6RFA5H · Markdown: https://rewindex.com/company/openai/incidents/01M5E4G39TD1BW1QWHZG6RFA5H.md · JSON: https://rewindex.com/api/v1/companies/openai/incidents/01M5E4G39TD1BW1QWHZG6RFA5H · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T14:46:43.027Z