Anthropic: Elevated errors on Claude Opus 4.8 (Fast Mode)
Timeline of updates
- resolved
This issue has been resolved. Claude Opus 4.8 (Fast Mode) saw elevated errors from 7:50 PM PT / 02:50 UTC to 8:30 PM PT / 03:30 UTC.
From Anthropic’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
Archive proof
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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.anthropic.com (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by Anthropic, started 2026-06-09 03:13 UTC, resolved after 29 min, 1 update(s).
- Title
- Elevated errors on Claude Opus 4.8 (Fast Mode)
- Vendor
- Anthropic
- Date
- URL
- https://rewindex.com/company/anthropic/incidents/cmsxwks3fzd9
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