# ChatGPT: Degraded performance in GPT-6.1 Sol Codex and Work mode

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-10-13 08:18 UTC · Resolved: 2026-10-13 16:36 UTC · Duration: 8.3 h
- Updates: 5 · Affected components: Codex Web, CLI, VS Code extension, Codex API, ChatGPT Work
- [Vendor status page: https://status.openai.com/incidents/01M4T4ZCM54D3ZPTQXRSWFG0XS](https://status.openai.com/incidents/01M4T4ZCM54D3ZPTQXRSWFG0XS)
- [Company: ChatGPT](https://rewindex.com/company/chatgpt.md)

## Timeline of updates

- **investigating** 2026-10-13 08:10 UTC: We are investigating the issue for the listed services.
- **investigating** 2026-10-13 08:18 UTC: Degraded performance on GPT 6.1 Sol Codex and Work mode
- **investigating** 2026-10-13 08:22 UTC: We are investigating the issue for the listed services.
- **monitoring** 2026-10-13 09:30 UTC: We have applied the mitigation and are monitoring the recovery.
- **resolved** 2026-10-13 16:36 UTC: We have resolved the issue causing degraded performance with GPT-6.1 Sol in Codex and ChatGPT Work.


---
Canonical: https://rewindex.com/company/chatgpt/incidents/01M4T4ZCM54D3ZPTQXRSWFG0XS · Markdown: https://rewindex.com/company/chatgpt/incidents/01M4T4ZCM54D3ZPTQXRSWFG0XS.md · JSON: https://rewindex.com/api/v1/companies/chatgpt/incidents/01M4T4ZCM54D3ZPTQXRSWFG0XS · Generated 2026-10-18T12:43:03.472Z
