[API (us-east-1.api.x.ai)] grok-4.6 and grok-4.5 high error rate

Status: ACTIVE

Severity: disruption

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Updates:

Mon, 17 Aug 2026 21:57:42 GMT

Elevated TTFT and 500 rate on grok models

We are investigating an issue with one of our GPU clusters

via xAI System Status