Breaking

OpenAI Resolves ChatGPT and Codex Outage After Widespread AI Disruption

September 3, 2026 at 15:06 EDT

Foundation Models
Software Dev & Coding

OpenAI reported elevated errors across ChatGPT and Codex on September 3, 2026, as users also encountered problems with Claude and Grok. OpenAI later marked the incident resolved after applying a mitigation and monitoring recovery. OpenAI’s incident timeline moved from investigation to mitigation before recording resolution at 4:55 p.m.; it did not specify a root cause for this incident.

September 3, 2026 · OpenAI

ChatGPT outages spread across AI services

OpenAI reported elevated errors across ChatGPT and Codex as users also encountered problems with Claude and Grok. The incident was later marked resolved after mitigation and recovery monitoring.

Where user reports peaked

The reported volume for ChatGPT was far above the other affected services.

>37,000

ChatGPT

1,324

Claude

1,365

Grok

~500

Gemini

The open question

Recovery was confirmed; the cause was not.

Current state
OpenAI marked the ChatGPT and Codex incident resolved.

Shared infrastructure
Azure was considered a possible factor, not a confirmed cause.

User impact
Availability varied by service, account and model.

What improved

Mitigation worked

Reports fell as OpenAI applied a fix and monitored recovery.

What remains unclear

No common cause confirmed

Several AI services failed together, but the relationship between incidents was not established.

Continue reading

The rest of this article is for AI News Blitz readers. Choose an option below to keep reading.