Elevated Error Rates for Opus 4.8, Opus 4.7, Opus 4.6, Sonnet 4.6, and Haiku 4.5

Summary

Elevated Error Rates for Opus 4.8, Opus 4.7, Opus 4.6, Sonnet 4.6, and Haiku 4.5

This incident has been resolved.

• Started

  Jun 22, 2026 · 12:37 AM

• Resolved

  Jun 22, 2026 · 2:06 AM

• Duration

  1h 29m

• Severity

  Major

• ◐

  Investigating

  Jun 22 · 12:37 AM Claude

  We are currently investigating this issue.

• ◐

  Investigating

  Jun 22 · 12:37 AM Claude

  We are continuing to investigate this issue.

• ◆

  Identified

  Jun 22 · 1:11 AM Claude

  The issue has been identified and a fix is being implemented.

• ◆

  Identified

  Jun 22 · 1:16 AM Claude

  Opus 4.8 has recovered.

• ◆

  Identified

  Jun 22 · 1:33 AM Claude

  Haiku 4.5 has recovered

• ◆

  Identified

  Jun 22 · 1:56 AM Claude

  Opus 4.7 has recovered

• ◉

  Monitoring

  Jun 22 · 2:01 AM Claude

  A fix has been implemented and we are monitoring the results.

• ✓

  Resolved

  Jun 22 · 2:06 AM Claude

  This incident has been resolved.