xAI: Elevated errors for Anthropic Models
Affected components: Third-party models
Timeline of updates
- investigating
An upstream Anthropic issue is causing elevated errors for Fable 5.1, Fable 5, Opus 5, Opus 4.8, and Opus 4.6 requests. Some users may experience errors or failed Agent turns. We're monitoring recovery and will provide updates.
- investigating
Anthropic reports recovery across most models. The affected models right now are Opus 4.8 and Opus 5. Please see https://status.claude.com/ (opens in new tab) for provider updates.
- resolved
Elevated errors affecting Anthropic models have been resolved. Service has been restored.
Archive proof
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How the archive is checked, and what it cannot prove.
This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.x.ai (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by xAI, started 2026-09-03 14:17 UTC, resolved after 2.3 h, 3 update(s).
- Title
- Elevated errors for Anthropic Models
- Vendor
- xAI
- Date
- URL
- https://rewindex.com/company/xai/incidents/0h8jlvzfp1jr
xAI profileRecent xAI incidentsAll outages on September 3, 2026xAI in September 2026MarkdownJSON