# \[US (us.api.x.ai)\] grok-4.6 and grok-4.5 high error rate

- Provider: [xAI](https://down.guide/xai)
- Level: confirmed
- Impact: Partial outage
- lasted 0m
- started 2026-08-17 21:57 UTC
- us
- id: DWN-283f82c49b
- Official page: https://status.x.ai/api-us/INC5a3245c3

## Updates from xAI
### 2026-08-17 21:57 UTC: resolved
Status: RESOLVED
 Severity: disruption
 Resolved: Mon, 17 Aug 2026 23:28:05 GMT
 Updates:
 Mon, 17 Aug 2026 23:28:05 GMT 
 Resolved
 The incident has been fully resolved.
 Mon, 17 Aug 2026 22:39:21 GMT 
 Investigating
 Some customers will still see some elevated TTFT on grok-4.6
 Mon, 17 Aug 2026 21:57:42 GMT 
 Investigating
 We are investigating an issue with one of our GPU clusters

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