# OpenAI / ChatGPT outage on 2026-11-10

Source: https://modelbank.ai/outages/openai-2026-11-10 · ModelBank

- Window: 2026-11-06 18:38 UTC – 2026-11-10 16:06 UTC (5608 min)
- Type: degraded performance
- Now: down (https://modelbank.ai/status/openai)
- 30-day measured availability: 99.44%

## Official incidents

- 2026-11-06 18:38 UTC Elevated error rates with some U.S. business Mastercards (none) · resolved 2026-11-10 16:06 UTC
- 2026-11-10 04:42 UTC Incorrect cost data in Costs API exports (none) · resolved 2026-11-10 07:02 UTC

## Official updates

- 2026-11-06 18:38 UTC [identified] **Investigating** — We’re seeing payment declines on some U.S. business Mastercards, including some Brex cards. For API customers, this can prevent automatic recharges and one-time credit purchases. If your prepaid balance runs out, your API requests may fail. If you use one of these cards, we recommend adding a card from a different issuer before your next payment, even if you haven’t seen a decl
- 2026-11-06 18:50 UTC [identified] Investigating — We’re seeing payment declines on some U.S. business Mastercards, including some Brex cards. For API customers, this can prevent automatic recharges and one-time credit purchases. If your prepaid balance runs out, your API requests may fail. If you use one of these cards, we recommend adding a card from a different issuer before your next payment, even if you haven’t seen a decline.
- 2026-11-07 01:29 UTC [monitoring] We’ve applied a mitigation and are monitoring the affected services to confirm recovery.
- 2026-11-10 04:42 UTC [monitoring] We have identified an issue causing incorrect cost data in Costs API exports published between November 6 and 9. We are working to correct the affected records and will provide an update once recovery is confirmed.
- 2026-11-10 07:02 UTC [resolved] All affected services are operating normally again. We’re sorry for the disruption, and we appreciate your patience.

## ModelBank measurements

- no anomaly measured