Who is down right now

Down now20This week248

20 down now · 248 this week

Anthropic · AIDec 19, 2025, 04:34 UTC 10 months ago

Elevated error rates on Sonnet 4.5

MinorNot disclosedUpdated 47d ago
Dec 19, 04:34 UTCDec 19, 13:52 UTC
Duration
9h 18m
Impact
Minor
Root cause
Not disclosed
Anthropic, 90 days
49 incidents
Affected
Not listed by the vendor.
Status page

Final update

This incident has been resolved.

Timeline

  1. Resolved · Dec 19, 13:52 UTC
    This incident has been resolved.

More from Anthropic

Full history
MinorNov 8, 08:28 UTC
Degraded performance for Claude Fable 5.1lasted 26m
MinorOct 28, 16:19 UTC
Elevated errors affecting the Google Calendar connectorlasted 3h 46m
MinorOct 28, 03:59 UTC
Elevated errors affecting the Gmail connectorlasted 1h 49m
MajorOct 27, 15:09 UTC
Elevated errors for Claude Sonnet 5.5lasted 41m
MajorOct 27, 09:14 UTC
Elevated errors for Claude Sonnet 5.5lasted 42m
MajorOct 25, 08:17 UTC
Elevated errors for Claude Fable 5.1lasted 32m