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Official status page: https://status.anthropic.com · Polled every 5 minutes · 1 component tracked

Claude.ai is operational right now. Last checked —; the most recent incident resolved 2d ago.

Real-time Claude.ai status, recent outages, and incident history — pulled directly from Claude.ai's official status page at https://status.anthropic.com every 5 minutes. Pingoru tracks 1 Claude.ai service and has captured 92 incidents in the last 90 days (42.22% uptime). Get email, Slack, Discord, or webhook alerts the moment Claude.ai reports a new incident — free for 5 monitors, no credit card.

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Claude.ai uptime 42.22% uptime · past 90 days
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Recent outages & incidents

Past 90 days
  1. Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
    Resolved 17m
    Started Sep 11, 2026, 02:19 PM UTC · Resolved Sep 11, 2026, 02:37 PM UTC
    claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
    Timeline · 5 updates
    • investigating · Sep 11, 2026, 02:19 PM UTC

      We are investigating elevated errors on requests to Claude Fable 5.1 and Claude Mythos 5.1. We will provide an update as soon as possible.

    • identified · Sep 11, 2026, 02:21 PM UTC

      We have identified the cause of elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.

    • monitoring · Sep 11, 2026, 02:28 PM UTC

      A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring for recovery.

    • monitoring · Sep 11, 2026, 02:28 PM UTC

      A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

    • resolved · Sep 11, 2026, 02:37 PM UTC

      The issue affecting Claude services has been resolved. Impact occurred from 13:57 to 14:20 UTC

    Latest: The issue affecting Claude services has been resolved. Impact occurred from 13:57 to 14:20 UTC

  2. Elevated errors for multiple models
    Resolved 2h 57m
    Started Sep 03, 2026, 01:26 PM UTC · Resolved Sep 03, 2026, 04:23 PM UTC
    claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
    Timeline · 7 updates
    • investigating · Sep 03, 2026, 01:26 PM UTC

      We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5. We will provide an update as soon as possible.

    • identified · Sep 03, 2026, 01:41 PM UTC

      We have identified the cause of elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.

    • identified · Sep 03, 2026, 01:50 PM UTC

      An exhaustive list of affected models: Mythos/Fable 5.1, Mythos/Fable 5, Opus 5, Opus 4.8, Opus 4.6.

    • identified · Sep 03, 2026, 02:49 PM UTC

      We are continuing to work on a fix for this issue.

    • identified · Sep 03, 2026, 03:25 PM UTC

      The only affected models right now are Opus 4.8 and Opus 5. The rest of the models have recovered to baseline error rate.

    • monitoring · Sep 03, 2026, 04:06 PM UTC

      A fix has been deployed for Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and we are monitoring for recovery.

    • resolved · Sep 03, 2026, 04:23 PM UTC

      The issue affecting Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 has been resolved. Impact has ended as of 9:16 PT / 16:16 UTC.

    Latest: The issue affecting Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 has been resolved. Impact has ended as of 9:16 PT / 16:16 UTC.

  3. Elevated errors for Claude Sonnet 5
    Resolved 18m
    Started Sep 03, 2026, 12:37 PM UTC · Resolved Sep 03, 2026, 12:56 PM UTC
    claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
    Timeline · 3 updates
    • investigating · Sep 03, 2026, 12:37 PM UTC

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

    • monitoring · Sep 03, 2026, 12:47 PM UTC

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

    • resolved · Sep 03, 2026, 12:56 PM UTC

      This incident has been resolved.

    Latest: This incident has been resolved.

  4. Elevated errors for Claude Sonnet 5
    Resolved 26m
    Started Sep 02, 2026, 09:17 PM UTC · Resolved Sep 02, 2026, 09:44 PM UTC
    claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
    Timeline · 2 updates
    • investigating · Sep 02, 2026, 09:17 PM UTC

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

    • resolved · Sep 02, 2026, 09:44 PM UTC

      The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 UTC.

    Latest: The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 UTC.

  5. Degraded performance on platform.claude.com and Claude for Microsoft Office 365
    Resolved 1h 1m
    Started Sep 01, 2026, 05:05 PM UTC · Resolved Sep 01, 2026, 06:07 PM UTC
    claude.aiClaude Console (platform.claude.com)
    Timeline · 3 updates
    • investigating · Sep 01, 2026, 05:05 PM UTC

      We are investigating reports of degraded performance affecting some Claude services, including docs.claude.com. We are working to resolve these issues and will provide an update as soon as possible.

    • monitoring · Sep 01, 2026, 05:52 PM UTC

      We are seeing success rates recover across affected services. Core inference and the API are not impacted.

    • resolved · Sep 01, 2026, 06:07 PM UTC

      This issue has been resolved.

    Latest: This issue has been resolved.

See the full Claude.ai outage history

87 more incidents in the last 90 days, plus the full multi-year archive of per-service events and update timelines.

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Outage history

Past 90 days · 92 incidents View full outage history →