# OpenAI / ChatGPT outage on 2026-11-04

Source: https://modelbank.ai/outages/openai-2026-11-04 · ModelBank

- Window: 2026-11-04 22:38 UTC – 2026-11-05 00:32 UTC (114 min)
- Type: degraded performance
- Now: operational (https://modelbank.ai/status/openai)
- 30-day measured availability: 98.55%

## Official incidents

- 2026-11-04 22:38 UTC Elevated error rates across paid ChatGPT plans (minor) · resolved 2026-11-05 00:32 UTC

## Official updates

- 2026-11-04 22:38 UTC [identified] Some users on paid ChatGPT plans may see errors when sending messages. We are working on implementing a mitigation.
- 2026-11-04 22:49 UTC [monitoring] We’ve applied a mitigation and are monitoring the affected services to confirm recovery.
- 2026-11-05 00:32 UTC [resolved] All affected services are operating normally again. We’re sorry for the disruption, and we appreciate your patience.

## ModelBank measurements

- 2026-11-04 22:38 UTC – 2026-11-04 22:50 UTC: degraded