# Elevated Errors for Thinking mode in ChatGPT 

- Provider: [OpenAI](https://down.guide/openai)
- Level: confirmed
- Impact: Degraded
- lasted 2h 56m
- started 2026-08-20 13:56 UTC
- Conversations, ChatGPT Work, Image Generation
- id: DWN-cd0411215c
- Official page: https://status.openai.com/incidents/01M0FQAR3NNH3ANVTQMBRD47DC

## Updates from OpenAI
### 2026-08-20 13:56 UTC: investigating
We are investigating an issue causing some users to experience errors when using Thinking in ChatGPT.

### 2026-08-20 14:12 UTC: investigating
We are investigating an issue causing some users to experience errors when using Thinking mode and Image Generation in ChatGPT.

### 2026-08-20 14:53 UTC: monitoring
We have implemented a mitigation for the issue for elevated errors for Thinking Mode and Image Generation in ChatGPT/ChatGPT Work

### 2026-08-20 16:51 UTC: resolved
All impacted services have now fully recovered.

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