Grok outage May 26, 2025
Grok-3 structured output and function calling unavailable
Grok API (us-east-1.api.x.ai) was down for 18 h 1 min on May 26, 2025.
Grok recorded a major-impact incident affecting API (us-east-1.api.x.ai) on May 26, 2025. It ran for 18 h 1 min — 7.6× the archive median of 2 h 23 min.
- Started
- May 26, 2025, 15:00 UTC
- Resolved
- May 27, 2025, 09:01 UTC
- Duration
- 18 h 1 min
- Impact
- Major
What was affected?
How long did it last?
- May 26, 2025, 15:00 UTCGrok-3 structured output and function calling unavailableT+0
- May 27, 2025, 09:01 UTCResolvedT+18 h 1 min
Has this happened before?
This was incident 2 of 2 recorded in May 2025, totalling 18 h 19 min of reported disruption across all Grok components that month. API (us-east-1.api.x.ai) was affected by 1 other recorded incident in the 30 days before this one started. The previous incident touching API (us-east-1.api.x.ai) started on May 21, 2025. These comparisons are drawn from our archive, which starts on January 17, 2025. See the full outage history.
Summarized by Grok Tracker from Grok Status. Last verified .