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Claude Code incident

Degraded performance for multiple models

Resolved after 2 h 41 min.

Started
Ended
Worst state
Degraded
On Claude Code’s status page
Source
Components
Claude API (api.anthropic.com), Claude Code, Claude Cowork, claude.ai

Live Claude Code status Full Claude Code outage history

Timeline

  1. Claude Code status page · Reported Degraded performance for multiple models
  2. Claude Code status page · Investigating We are investigating reports of degraded performance affecting multiple models. We will provide an update as soon as possible.
  3. Claude Code status page · 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.
  4. Claude Code status page · Investigating We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.
  5. Claude Code status page · Monitoring A fix has been implemented and we are monitoring the results.
  6. Claude Code status page · Resolved The issue affecting Claude Opus 5 has been resolved. Impact occurred from 16:11 to 18:23 UTC.

Cite this incident

Site Qwality, “Degraded performance for multiple models,” Aug 18, 2026, https://siteqwality.com/is-claude-code-down/incidents/claude-code-202608181620/

Free to quote with a link to this page.