Claude (Anthropic) Status

← Claude (Anthropic)

Degraded performance for multiple models

Official status page Resolved

Started
Aug 18, 2026 · 16:20 UTC
Resolved
Aug 18, 2026 · 19:01
Lasted
2h 41m
Affected components
claude.ai Claude API (api.anthropic.com) Claude Code Claude Cowork

Updates

  1. Resolved

    The issue affecting Claude Opus 5 has been resolved. Impact occurred from 16:11 to 18:23 UTC.

  2. Monitoring

    A fix has been implemented and we are monitoring the results.

  3. Investigating

    We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.

  4. Investigating

    We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.

  5. Investigating

    We are investigating reports of degraded performance affecting multiple models. We will provide an update as soon as possible.

View on the official status page ↗