Anthropic Outage History

Anthropic is up right now

Pingoru has recorded 262 incidents for Anthropic: 262 in the last 12 months and 57 in the last 90 days.

Source: status.claude.com

262incidents recorded
262last 12 months
57last 90 days
5 hourstypical duration
Incidents per month
050100AprMayJunJulAugSepOct10
Share of hours with an open incident, any severity
0%50%100%AprMayJunJulAugSepOct29%
Pingoru began tracking Anthropic in April 2026, so earlier months are not shown. Hover a bar for its value.
Show as a table
MonthIncidentsHours with an open incident
April 20264944 of 720 (6%)
May 20264159 of 744 (8%)
June 202648371 of 720 (52%)
July 202654137 of 744 (18%)
August 20262638 of 744 (5%)
September 202613112 of 720 (16%)
October 202610162 of 557 (29%)

Incidents, newest first

Major October 24, 2026 Elevated errors for Claude Opus 5.5 5m claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Started Oct 24, 2026, 12:31 AM UTC· resolved Oct 24, 2026, 12:37 AM UTC

  1. investigating Oct 24, 2026, 12:31 AM UTC

    We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.

  2. resolved Oct 24, 2026, 12:37 AM UTC

    The issue affecting Claude Opus 5.5 has been resolved. Impact occurred from 17:23 PT on October 23 / 00:23 UTC on October 24 to 17:34 PT on October 23 / 00:34 UTC on October 24.

Read the full incident report →

Critical October 23, 2026 Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5 33m claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Started Oct 23, 2026, 11:37 PM UTC· resolved Oct 24, 2026, 12:11 AM UTC

  1. investigating Oct 23, 2026, 11:37 PM UTC

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

  2. identified Oct 23, 2026, 11:39 PM UTC

    We have identified the cause of elevated errors on requests to Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5, as well as fast mode requests to Opus 5.5 and are working on a fix. We will provide an update as soon as possible.

  3. monitoring Oct 23, 2026, 11:54 PM UTC

    We are seeing success rates return to normal for all affected models, and are continuing to monitor to ensure no further issues.

  4. resolved Oct 24, 2026, 12:11 AM UTC

    The issue affecting Claude models has been resolved. Impact occurred from 16:28 PT / 23:28 UTC on October 23 to 16:59 PT / 23:59 UTC on October 23.

Read the full incident report →

Minor October 22, 2026 Elevated errors affecting Connectors 4h 16m claude.ai, Claude Cowork

Started Oct 22, 2026, 03:50 AM UTC· resolved Oct 22, 2026, 08:07 AM UTC

  1. investigating Oct 22, 2026, 03:50 AM UTC

    We are investigating elevated errors affecting connectors. We will provide an update as soon as possible.

  2. monitoring Oct 22, 2026, 07:28 AM UTC

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

  3. resolved Oct 22, 2026, 08:07 AM UTC

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

Read the full incident report →

Minor October 21, 2026 Degraded performance for Claude Fable 5 40m claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Started Oct 21, 2026, 07:49 PM UTC· resolved Oct 21, 2026, 08:29 PM UTC

  1. investigating Oct 21, 2026, 07:49 PM UTC

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

  2. resolved Oct 21, 2026, 08:29 PM UTC

    The issue affecting other Claude models has been resolved.

Read the full incident report →

Notice October 7, 2026 Issue with spend limits –

Started Oct 07, 2026, 09:23 PM UTC· resolved Oct 07, 2026, 09:23 PM UTC

  1. resolved Oct 07, 2026, 09:23 PM UTC

    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. This is now resolved.

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Major October 7, 2026 Elevated errors on platform.claude.com 6d 4h Claude Console (platform.claude.com)

Started Oct 07, 2026, 01:25 PM UTC· resolved Oct 13, 2026, 06:00 PM UTC

  1. investigating Oct 07, 2026, 01:25 PM UTC

    We are investigating elevated errors affecting usage data on the platform.claude.com Usage page and the Admin API usage report. Core functionality is not affected. We will provide an update as soon as possible.

  2. investigating Oct 07, 2026, 04:36 PM UTC

    We are continuing to work on elevated errors affecting usage data on the platform.claude.com Usage and Rate limits pages and the Admin API usage report. A mitigation for the Usage page and the Admin API usage report is rolling out; once it is in place, the most recent usage may take about 30 minutes to appear there. Core functionality is not affected.

  3. identified Oct 07, 2026, 05:28 PM UTC

    We've identified the cause of errors loading usage data. The Admin API usage report has recovered, and fixes for the platform.claude.com Usage and Rate limits pages are in progress. The most recent 30 minutes of usage may be delayed. Core functionality is not affected.

  4. monitoring Oct 07, 2026, 09:44 PM UTC

    We've mitigated the errors loading usage data on platform.claude.com and in the Admin API usage report. While we work on a full fix, the most recent ~30 minutes of usage may take longer to appear on the platform.claude.com. API requests are not affected, and we will provide additional updates here.

  5. resolved Oct 13, 2026, 06:00 PM UTC

    This issue has been resolved.

Read the full incident report →

Major October 7, 2026 Elevated errors loading usage data on platform.claude.com 1h 13m Claude Console (platform.claude.com)

Started Oct 07, 2026, 01:20 AM UTC· resolved Oct 07, 2026, 02:33 AM UTC

  1. investigating Oct 07, 2026, 01:20 AM UTC

    We are investigating elevated errors loading usage data on the platform.claude.com Usage page and the Admin API usage report endpoint since 5 PM PT. Messages API requests are not affected. We will provide an update as soon as possible.

  2. resolved Oct 07, 2026, 02:33 AM UTC

    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.com Usage page and the Admin API usage report returned errors.

Read the full incident report →

Major October 5, 2026 Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 15m claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Started Oct 05, 2026, 01:05 PM UTC· resolved Oct 05, 2026, 01:21 PM UTC

  1. investigating Oct 05, 2026, 01:05 PM UTC

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

  2. resolved Oct 05, 2026, 01:21 PM UTC

    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.

Read the full incident report →

Minor October 1, 2026 Delayed credits on the Claude Platform 6h 15m Claude Console (platform.claude.com), Claude API (api.anthropic.com)

Started Oct 01, 2026, 04:20 PM UTC· resolved Oct 01, 2026, 10:36 PM UTC

  1. investigating Oct 01, 2026, 04:20 PM UTC

    We are investigating delays in credit purchases being reflected in account balances, resulting in some requests failing for insufficient credit balance. We will provide an additional update as soon as possible.

  2. monitoring Oct 01, 2026, 06:23 PM UTC

    We have resolved the issue causing delays in credits being applied after purchase. We are monitoring closely to ensure no further issues.

  3. resolved Oct 01, 2026, 10:36 PM UTC

    This issue has been resolved.

Read the full incident report →

Major September 29, 2026 Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API 2h 5m claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code and 1 more

Started Sep 29, 2026, 02:21 PM UTC· resolved Sep 29, 2026, 04:27 PM UTC

  1. investigating Sep 29, 2026, 02:21 PM UTC

    We are investigating elevated error rates affecting Claude.ai (including the desktop and mobile apps), Claude Code and Claude Cowork. Users may see failed requests, errors loading or sending conversations, or be asked to sign in again; retrying may succeed. We will provide an update as soon as possible.

  2. investigating Sep 29, 2026, 02:28 PM UTC

    We are investigating elevated error rates affecting Claude.ai (including the desktop and mobile apps), Claude Code and Claude Cowork. Some requests to the Claude API are also returning errors. We will provide an update as soon as possible.

  3. investigating Sep 29, 2026, 02:30 PM UTC

    We are investigating reports of degraded performance affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork. We will provide an update as soon as possible.

  4. investigating Sep 29, 2026, 02:41 PM UTC

    We have applied a mitigation and error rates have dropped substantially. Some sign-in attempts, account actions and Claude Code and Cowork sessions are still failing. We are continuing to work on a full fix.

  5. investigating Sep 29, 2026, 03:00 PM UTC

    The errors that began at 14:00 UTC were mitigated at 14:36 UTC, and existing conversations are mostly working again. A second issue is preventing many users from signing in (single sign-on and Sign in with Apple are unavailable), starting new chats, voice conversations and Claude Code or Cowork sessions, making purchases, and uploading files. If you're signed in, please don't sign out. We're working on a fix and will post another update within 30 minutes.

  6. monitoring Sep 29, 2026, 03:11 PM UTC

    Most services have recovered as of 14:59 UTC. Signing in, starting new chats, voice conversations, Claude Code and Cowork sessions, purchases and file uploads are working again. Some messages sent between 14:00 and 14:59 UTC may not have been saved. We are monitoring closely and will post another update within 30 minutes.

  7. monitoring Sep 29, 2026, 03:30 PM UTC

    All services have been operating normally since 14:59 UTC. We are continuing to monitor.

  8. resolved Sep 29, 2026, 04:27 PM UTC

    The issue affecting Claude.ai, the Claude desktop and mobile apps, Claude Code, Claude Cowork, and the Claude API has been resolved, and services have been operating normally since recovery. Impact occurred from 07:00 PT / 14:00 UTC to 07:59 PT / 14:59 UTC.

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Major September 22, 2026 Elevated errors for multiple models 1h 37m claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Started Sep 22, 2026, 12:57 AM UTC· resolved Sep 22, 2026, 02:35 AM UTC

  1. investigating Sep 22, 2026, 12:57 AM 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.

  2. identified Sep 22, 2026, 01:17 AM 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.

  3. identified Sep 22, 2026, 01:35 AM UTC

    We are continuing to work to resolve errors affecting some models. At this time, requests to Claude Fable 5 and 5.1 and Mythos 5 and 5.1 have returned to normal success rates. We are working to resolve remaining errors affecting Claude Opus 5, and will provide an additional update shortly.

  4. monitoring Sep 22, 2026, 02:11 AM UTC

    We have seen success rates return to normal across affected models, and are monitoring closely to ensure no further issues.

  5. resolved Sep 22, 2026, 02:35 AM UTC

    This issue has been resolved. Impact occurred from 5:50pm PT / 00:50 UTC to 7:10pm PT / 02:10 UTC.

Read the full incident report →

Notice September 16, 2026 Issues with Google Play subscriptions 32m

Started Sep 16, 2026, 04:18 PM UTC· resolved Sep 16, 2026, 04:51 PM UTC

  1. identified Sep 16, 2026, 04:18 PM UTC

    We are aware of an issue affecting users interacting with subscriptions via Google Play, such as when creating a new subscription on Android devices. Google has confirmed an issue with Google Play, and we are awaiting their further updates.

  2. resolved Sep 16, 2026, 04:51 PM UTC

    This issue has been resolved.

Read the full incident report →

Major September 15, 2026 Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1 1h 26m claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Started Sep 15, 2026, 09:48 AM UTC· resolved Sep 15, 2026, 11:14 AM UTC

  1. investigating Sep 15, 2026, 09:48 AM UTC

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

  2. investigating Sep 15, 2026, 09:52 AM UTC

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

  3. monitoring Sep 15, 2026, 10:50 AM UTC

    A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring to ensure it has resolved the issue.

  4. resolved Sep 15, 2026, 11:14 AM UTC

    A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring to ensure it has resolved the issue.

Read the full incident report →

Minor September 10, 2026 Elevated latency on the Claude API for some users 1h 40m Claude API (api.anthropic.com), Claude Cowork

Started Sep 10, 2026, 09:43 PM UTC· resolved Sep 10, 2026, 11:24 PM UTC

  1. 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.

  2. resolved Sep 10, 2026, 11:24 PM UTC

    The issue affecting Claude services has been mitigated.

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Major September 10, 2026 Degraded functionality for Claude Cowork on Windows 4d 3h Claude Cowork

Started Sep 10, 2026, 03:54 PM UTC· resolved Sep 14, 2026, 07:14 PM UTC

  1. 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.

  2. resolved Sep 14, 2026, 07:14 PM UTC

    This issue has been resolved. Microsoft has released a September 14 Windows update that fixes it: https://support.microsoft.com/en-us/servicing/os/windows-11/2026/09/kb5129195-windows-11-24h2-25h2-security-update

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Major September 3, 2026 Elevated errors for Claude Sonnet 5 18m claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Started Sep 03, 2026, 12:37 PM UTC· resolved Sep 03, 2026, 12:56 PM UTC

  1. 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.

  2. monitoring Sep 03, 2026, 12:47 PM UTC

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

  3. resolved Sep 03, 2026, 12:56 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor September 1, 2026 Delays in credit purchases 1h 57m Claude Console (platform.claude.com)

Started Sep 01, 2026, 11:26 PM UTC· resolved Sep 02, 2026, 01:24 AM UTC

  1. monitoring Sep 01, 2026, 11:26 PM UTC

    We have identified and resolved an issue where users who reached a balance of zero usage credits saw delays in the availability of newly purchased credits, resulting in some requests to the Claude API receiving 'credit balance is too low' errors erroneously. This affected credits purchased from 05:10am PT / 12:10 UTC to 2:35pm PT / 21:35 UTC. At this time, newly purchased credits should be available as expected and we are working to resolve any remaining impact.

  2. resolved Sep 02, 2026, 01:24 AM UTC

    This issue has been resolved.

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Minor September 1, 2026 Degraded performance on platform.claude.com and Claude for Microsoft Office 365 1h 1m claude.ai, Claude Console (platform.claude.com)

Started Sep 01, 2026, 05:05 PM UTC· resolved Sep 01, 2026, 06:07 PM UTC

  1. 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.

  2. 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.

  3. resolved Sep 01, 2026, 06:07 PM UTC

    This issue has been resolved.

Read the full incident report →

Minor September 1, 2026 Degraded performance on Claude for Microsoft Office 365 19m claude.ai

Started Sep 01, 2026, 04:02 PM UTC· resolved Sep 01, 2026, 04:22 PM UTC

  1. investigating Sep 01, 2026, 04:02 PM UTC

    We are investigating elevated errors affecting Claude for Microsoft Office 365. We will provide an update as soon as possible.

  2. resolved Sep 01, 2026, 04:22 PM UTC

    This issue has been resolved.

Read the full incident report →

Minor August 31, 2026 Degraded performance on claude.ai and Claude Code 1h 14m claude.ai, Claude Code

Started Aug 31, 2026, 07:21 PM UTC· resolved Aug 31, 2026, 08:36 PM UTC

  1. investigating Aug 31, 2026, 07:21 PM UTC

    We are investigating reports of degraded performance affecting Claude in Slack, Claude Code on the web, and Code Review. We will provide an update as soon as possible.

  2. resolved Aug 31, 2026, 08:36 PM UTC

    The issue affecting Claude Code has been resolved. Impact occurred from 16∶55 to 19∶16 UTC.

Read the full incident report →

Minor August 31, 2026 Degraded performance on claude.ai 29m claude.ai

Started Aug 31, 2026, 05:23 PM UTC· resolved Aug 31, 2026, 05:52 PM UTC

  1. investigating Aug 31, 2026, 05:23 PM UTC

    We are investigating reports of elevated errors affecting chats on claude.ai. We will provide an update as soon as possible.

  2. monitoring Aug 31, 2026, 05:32 PM UTC

    We have seen success rates return to normal for requests on Claude.ai and are monitoring closely.

  3. resolved Aug 31, 2026, 05:52 PM UTC

    This issue has been resolved.

Read the full incident report →

Major August 28, 2026 Elevated errors on Claude Code and Claude Cowork 2h 59m Claude Code, Claude Cowork

Started Aug 28, 2026, 05:22 PM UTC· resolved Aug 28, 2026, 08:21 PM UTC

  1. identified Aug 28, 2026, 05:22 PM UTC

    We have identified an issue with an upstream cloud provider affecting Claude Cowork and Claude Code on the web. Some sessions may fail to start or disconnect mid-task; affected sessions can be retried. We are in contact with the provider and will provide an update as soon as possible.

  2. monitoring Aug 28, 2026, 06:21 PM UTC

    A mitigation has been applied for the issue affecting Claude Cowork and Claude Code on the web, and we are monitoring for recovery. Sessions that disconnected earlier can be retried

  3. resolved Aug 28, 2026, 08:21 PM UTC

    The issue affecting Claude Cowork and Claude Code on the web has been resolved.

Read the full incident report →

Minor August 24, 2026 Issues logging into Claude.ai 14m claude.ai, Claude Code, Claude Cowork

Started Aug 24, 2026, 08:11 PM UTC· resolved Aug 24, 2026, 08:26 PM UTC

  1. monitoring Aug 24, 2026, 08:11 PM UTC

    We have identified and resolved an issue which resulted in errors when attempting to access Claude.ai, including logging in via subscriptions for Claude Code. Errors occurred between 1:00pm (20:00 UTC) through 1:08pm PT (20:08 UTC). We are monitoring closely to ensure no further issues.

  2. resolved Aug 24, 2026, 08:26 PM UTC

    This issue has been resolved.

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Minor August 24, 2026 Errors logging into Claude.ai 3m claude.ai

Started Aug 24, 2026, 05:12 PM UTC· resolved Aug 24, 2026, 05:16 PM UTC

  1. investigating Aug 24, 2026, 05:12 PM UTC

    From 9:02–9:08am PT / 16:02–16:08 UTC) users experienced issues when logging into Claude.ai, including for connecting Claude Code with subscription. At this time, this issue has been resolved, but we are continuing to investigate a potential issue impacting users of the Claude.ai desktop application.

  2. resolved Aug 24, 2026, 05:16 PM UTC

    This issue has been resolved.

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Major August 20, 2026 Elevated errors on requests to multiple models 26m claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Started Aug 20, 2026, 07:16 PM UTC· resolved Aug 20, 2026, 07:42 PM UTC

  1. investigating Aug 20, 2026, 07:16 PM UTC

    We are investigating elevated errors on requests to some Claude models. We will provide additional updates as soon as possible.

  2. resolved Aug 20, 2026, 07:42 PM UTC

    This issue has been resolved.

Read the full incident report →