Anthropic Latency Spike
ResolvedModerateElevated p95 latency for Claude 3.5 Sonnet across us-east.
P95 latency
Error rate
Rate limit
Incident facts
Provider: Anthropic
Start: 2025-12-20 08:10:00 UTC
Duration: 55m
Regions: us-east
Endpoints: chat
Detection: CapPulse
Timeline
2025-12-20 08:10:00 UTCInvestigatingSource: CapPulse
Latency crossed 1.4s p95 for Claude 3.5 Sonnet in us-east.
2025-12-20 08:28:00 UTCMonitoringSource: Provider
Provider acknowledged elevated latency and deployed mitigation.
2025-12-20 09:05:00 UTCResolvedSource: CapPulse
Latency returned to baseline across all regions.
Evidence snapshot
Observed error rate and latency changes during the incident window.
Error rate