# Elevated errors for Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other models

- Provider: [Anthropic](https://down.guide/providers/anthropic)
- Confidence: Confirmed
- Impact: Partial outage
- lasted 34m
- started 2026-07-25 21:34 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code +1
- id: DWN-55e419d295
- Official page: https://stspg.io/4l8l9dtyx58j

## Updates from Anthropic
### 2026-07-25 21:34 UTC: investigating
We are investigating elevated errors on requests to Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.

### 2026-07-25 22:08 UTC: resolved
This incident has been resolved.

From the builder: does your app depend on Anthropic? [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=anthropic) detects problems in your own logs without hand-written monitors, and you can ask it in plain language which errors mention Anthropic.

---
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://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=DWN-55e419d295), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.