Is Anthropic down?

Last checked 5m ago
Current status
Anthropic has degraded performance

Active incident: Degraded functionality for Claude Cowork on Windows

Get alerts when Anthropic breaks → View Anthropic outage history →

Free · no credit card

Official status page: https://status.anthropic.com · Polled every 5 minutes · 6 components tracked

Anthropic is reporting degraded performance right now (last checked 5m ago). Services are up but slower or partially failing.

Real-time Anthropic status, recent outages, and incident history — pulled directly from Anthropic's official status page at https://status.anthropic.com every 5 minutes. Pingoru tracks 6 Anthropic services and has captured 111 incidents in the last 90 days (52.41% uptime). Get email, Slack, Discord, or webhook alerts the moment Anthropic reports a new incident — free for 5 monitors, no credit card.

Users who monitor Anthropic also follow these AI services: Tungsten Automation EMEA Together AI Hugging Face Laserfiche Observe.AI Quest Retell AI Braintrust Cerebras Modal View all 6,000+ providers
Anthropic uptime 52.41% uptime · past 90 days
Mon Wed Fri
JunJulAugSep
Less More

Anthropic products tracked separately

3 pages

Anthropic runs a separate status page for each product. Each one is tracked individually with its own components, incidents, and uptime history.

Claude API
Up
Claude Code
Up
Claude.ai
Up

Active incident 1

  1. Degraded functionality for Claude Cowork on Windows
    Ongoing ● 3d 2h
    Started Sep 10, 2026, 03:54 PM UTC
    Claude Cowork
    Timeline · 1 update
    • identified · Sep 10, 2026, 03:54 PM UTC

      A Windows update released September 8 has caused Claude Cowork on Windows is unable to run local commands on your PC, because its workspace can no longer reach your computer’s drive. For most users, chat and reading or editing files still work. We have identified the cause as a change in Windows; Microsoft has developed a fix and is working on releasing it. There’s no in-app workaround yet, and restarting or reinstalling won’t help. We’ll post an update when we have more to share.

    Latest: A Windows update released September 8 has caused Claude Cowork on Windows is unable to run local commands on your PC, because its workspace can no longer reach your computer’s driv…

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 latency on the Claude API for some users
    Resolved 1h 40m
    Started Sep 10, 2026, 09:43 PM UTC · Resolved Sep 10, 2026, 11:24 PM UTC
    Claude API (api.anthropic.com)Claude Cowork
    Timeline · 2 updates
    • identified · Sep 10, 2026, 09:43 PM UTC

      We are experiencing slower than normal response times on the Claude API for some customers whose traffic enters through the US Midwest. Users may experience elevated latency and some request timeouts.

    • resolved · Sep 10, 2026, 11:24 PM UTC

      The issue affecting Claude services has been mitigated.

    Latest: The issue affecting Claude services has been mitigated.

  3. 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.

  4. 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.

  5. 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.

See the full Anthropic outage history

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

Browse Anthropic outage history →

Or sign up free to get alerts when Anthropic breaks · 10 free monitors · No credit card

Outage history

Past 90 days · 111 incidents View full outage history →