Increased latency on Sonnet 4.5

Incident Report for Claude

Resolved

This incident has been resolved.
Posted Jan 08, 2026 - 21:57 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted Jan 08, 2026 - 17:43 UTC

Investigating

We are currently investigating this issue.
Posted Jan 08, 2026 - 17:23 UTC
This incident affected: claude.ai, Claude API (api.anthropic.com), and Claude Code.