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xAI: [API (us-east-1.api.x.ai)] grok-4.6 and grok-4.5 high error rate
xAI · x.aiImpact: availableResolved2026-08-17 21:57 UTC
Public — what happened
Summary
Status: RESOLVED Severity: available 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 Elevated TTFT Some customers will still see some elevated TTFT on grok-4.6 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
Timeline
- Started — 2026-08-17 21:57 UTC
- Last update — 2026-08-17 21:57 UTC
- Resolved — 2026-08-17 23:28 UTC
With SquidGrid — where it starts on the route
Independent path health
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