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Claude: Sonnet 4.6 and Opus 4.6 elevated error rate

No impact listedStatus: resolvedStarted Resolved (0 min)1 updatestatus.claude.com (opens in new tab)

Timeline of updates

  1. resolved

    Between 10:09 and 10:31 PDT, Sonnet 4.6 and Opus 4.6 experienced elevated error rates across most product surfaces.

From Claude’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.claude.com (opens in new tab).

Cite this

Status incident (vendor impact label: none) posted by Claude, started 2026-04-04 17:30 UTC, resolved after 0 min, 1 update(s).

Title
Sonnet 4.6 and Opus 4.6 elevated error rate
Vendor
Claude
Date
URL
https://rewindex.com/company/claude/incidents/7n7xgqws441v

Claude profileRecent Claude incidentsAll outages on April 4, 2026Claude in April 2026MarkdownJSON