# Elevated errors on Claude Sonnet 4.6

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Partial outage
- lasted 1h 26m
- started 2026-03-12 16:34 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code
- id: DWN-4129fb920a
- Official page: https://stspg.io/cwtjh24lb8vf

## Updates from Anthropic
### 2026-03-12 16:34 UTC: identified
A repeat of an earlier issue today started at 9:27 PT / 16:27 UTC.

### 2026-03-12 18:00 UTC: resolved
This incident has been resolved.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by Sazabi (https://sazabi.com/?utm_source=down-guide&utm_medium=markdown).