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Anthropic · AIApr 28, 2026, 12:24 UTC

Elevated errors on Claude Haiku 4.5

MinorNot disclosedUpdated 18h ago
Apr 28, 12:24 UTCApr 28, 12:45 UTC
Duration
21m
Impact
Minor
Root cause
Not disclosed
Anthropic, 90 days
94 incidents
Affected
Not listed by the vendor.
Status page

Final update

The incident has now been resolved. The elevated error rate for Haiku 4.5 was between 4:53 PT / 11:53 UTC and 5:36 PT / 12:44 UTC.

Timeline

  1. Resolved · Apr 28, 12:45 UTC
    The incident has now been resolved. The elevated error rate for Haiku 4.5 was between 4:53 PT / 11:53 UTC and 5:36 PT / 12:44 UTC.

More from Anthropic

Full history

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