Is Claude down? › Outage history

Claude outage history

Claude published 52 incidents on its official status page since Jul 27, 2026, 2 of them rated at the highest impact level. 12 were major or long incidents with their own pages; the biggest are listed first. Below them is every smaller incident, then our own 90 day check history.

Biggest Claude outages

Ranked by the official impact level, then by how long they lasted. Each has its own page with the cause, the fix time and every official update.

  1. Jul 29, 2026: Elevated errors across all models 2 hours 47 min · rated "Critical"
  2. Aug 16, 2026: Service disruption on Claude services 36 minutes · rated "Critical"
  3. Oct 7, 2026: Elevated errors on platform.claude.com 6 days 5 hours · rated "Major" · shared with Claude API
  4. Sep 10, 2026: Degraded functionality for Claude Cowork on Windows 4 days 3 hours · rated "Major" · shared with Claude Cowork
  5. Jul 30, 2026: Elevated errors across many models 4 hours 51 min · rated "Major"
  6. Aug 24, 2026: Elevated errors for multiple models 3 hours 24 min · rated "Major"
  7. Sep 3, 2026: Elevated errors for multiple models 2 hours 57 min · rated "Major"
  8. Sep 22, 2026: Elevated errors for multiple models 1 hour 38 min · rated "Major"
  9. Aug 13, 2026: Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5 1 hour 35 min · rated "Major"
  10. Aug 14, 2026: Service disruption on Claude services 1 hour 28 min · rated "Major"

More major and long Claude incidents

Every smaller Claude incident

Minor and short incidents from the Claude status page, newest first, each with a line from the official updates. Times are UTC.

October 2026

  • Oct 22, 2026, 03:50 UTC · Elevated errors affecting Connectors

    4 hours 17 min · rated "Minor"

    "The issue affecting claude.ai and Claude Cowork has been resolved."

  • Oct 21, 2026, 19:49 UTC · Degraded performance for Claude Fable 5

    40 minutes · rated "Minor"

    "The issue affecting other Claude models has been resolved."

  • Oct 7, 2026, 21:23 UTC · Issue with spend limits

    duration not stated · marked as no impact

    "We have identified an issue which resulted in some organizations to be incorrectly paused for having reached their spend limit, resulting in refused requests on the Claude API, Claude.ai, Claude Code, Claude Security, and Claude Cowork."

  • Oct 7, 2026, 01:20 UTC · Elevated errors loading usage data on platform.claude.com

    1 hour 13 min · rated "Major"

    "This incident has been resolved. From 17:00 PT on October 6 / 00:00 UTC on October 7 to 18:40 PT on October 6 / 01:40 UTC on October 7, many requests to load usage data on the platform.claude."

  • Oct 6, 2026, 12:24 UTC · Elevated errors for Claude Opus 5.5

    19 minutes · rated "Major"

    "The issue affecting Claude Opus 5.5 has been resolved."

  • Oct 5, 2026, 13:05 UTC · Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

    16 minutes · rated "Major"

    "The issue affecting Claude Mythos 5.1 and Claude Fable 5.1 has been resolved. Impact occurred from 05:40 PT / 12:40 UTC to 06:10 PT / 13:10 UTC."

  • Oct 1, 2026, 16:20 UTC · Delayed credits on the Claude Platform

    6 hours 16 min · rated "Minor"

    "This issue has been resolved."

September 2026

August 2026

July 2026

Claude uptime, last 90 days

Tracked since Oct 7, 2026. Updated Oct 22, 2026, 12:35 UTC.

Uptime100%
Avg response171 ms
Problems, 30 days3
Last problemOct 22, 2026
90 days agoUp Degraded Down No dataToday

Every Claude problem in the last 90 days

  • Degraded

    Elevated errors affecting Connectors

    Oct 22, 2026, 04:00 UTC · lasted 4 hours 16 min · from Claude's official status page

  • Degraded

    Degraded performance for Claude Fable 5

    Oct 21, 2026, 20:00 UTC · lasted 32 minutes · from Claude's official status page

  • Degraded

    Elevated errors on platform.claude.com

    Oct 7, 2026, 21:19 UTC · lasted 140 hours 52 min · from Claude's official status page

Day by day

Day (UTC)UptimeAvg responseWorst
Oct 22, 2026100%77 msDegraded
Oct 21, 2026100%124 msDegraded
Oct 20, 2026100%129 msUp
Oct 19, 2026100%125 msUp
Oct 18, 2026100%118 msUp
Oct 17, 2026100%121 msUp
Oct 16, 2026100%229 msUp
Oct 15, 2026100%250 msUp
Oct 14, 2026100%256 msUp
Oct 13, 2026100%262 msDegraded
Oct 12, 2026100%259 msDegraded
Oct 11, 2026100%206 msDegraded
Oct 10, 2026100%137 msDegraded
Oct 9, 2026100%147 msDegraded
Oct 8, 2026100%147 msDegraded
Oct 7, 2026100%151 msDegraded

Claude outage questions

Was Claude down today?

Yes. Claude had a problem today (Oct 22, 2026, UTC): Elevated errors affecting Connectors (degraded, 4 hours 16 min).

Was Claude down yesterday?

Yes. Claude had a problem yesterday (Oct 21, 2026, UTC): Degraded performance for Claude Fable 5 (degraded, 32 minutes).

When was Claude last down?

The latest problem was on Oct 22, 2026, 04:00 UTC and lasted 4 hours 16 min: Elevated errors affecting Connectors.

What was the biggest Claude outage?

Of the incidents on record since Jul 27, 2026, the biggest was on Jul 29, 2026: Elevated errors across all models. The Claude status page rated it "Critical" and it lasted 2 hours 47 min.

How often does Claude go down?

Claude's status page posted 52 incidents since Jul 27, 2026, 9 of them in the last 30 days. Most incidents affect part of the service, not all of it. Uptime from our own checks over the last 90 days: 100%.

Times are UTC. Official incidents are the company's own posts, quoted from the Claude status page. Problem periods start when the official status page or our checks first show a problem and end when the service is next found working, so durations are accurate to within a few minutes. Recent outages across all services.