Claude Sonnet 4.5 Uptime Status

Operational

claude-sonnet-4-5 provided by anthropic, aws-bedrock

Last checked 2 minutes ago

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30-Day Uptime
99.27%
Past Incidents (30d)
32
Error rate (24h)
0.00%

Is Claude Sonnet 4.5 Down Now?

Last 30 days

21/30 days operational | 99.27% uptime

30 days ago Today
Operational Degraded / Partial Outage

Endpoint & Model ID

Recent incidents

Service disruption on Claude services

The issue affecting the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 20:14 to 20:38 UTC.

Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5

The issue affecting Claude Mythos 5 and Claude Fable 5 has been resolved.

Degraded performance for multiple models

This issue has been resolved.

Degraded performance for Claude Opus 5

This incident has been resolved.

Degraded performance of multiple models

This incident has been resolved.

One API, every model, automatic failover.

When Anthropic goes down, LLMAPI reroutes your requests to another provider with an equivalent model in the same tier — no code changes, no downtime.