Anthropic Outage History

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Anthropic had 94 outages in the last 2 years totaling 40h 48m of downtime — averaging 3.9 incidents per month.

There were 94 Anthropic outages since March 18, 2026 totaling 40h 48m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.anthropic.com · Aggregated across Anthropic products

Minor June 17, 2026

Elevated errors for Claude Opus 4.8

Detected by Pingoru
Jun 17, 2026, 03:34 PM UTC
Resolved
Jun 17, 2026, 04:28 PM UTC
Duration
53m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Jun 17, 2026, 03:34 PM UTC

    We are currently investigating this issue.

  2. monitoring Jun 17, 2026, 04:01 PM UTC

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

  3. resolved Jun 17, 2026, 04:28 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 17, 2026

Elevated errors on Claude Sonnet 4.6 and Opus 4.8

Detected by Pingoru
Jun 17, 2026, 12:47 AM UTC
Resolved
Jun 17, 2026, 02:50 AM UTC
Duration
2h 3m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Jun 17, 2026, 12:47 AM UTC

    We are currently investigating this issue.

  2. identified Jun 17, 2026, 01:52 AM UTC

    At this time, success rates for Claude Sonnet 4.6 have recovered and we are working to resolve an issue resulting in elevated errors on Opus 4.8. We will provide additional updates as soon as possible.

  3. resolved Jun 17, 2026, 02:50 AM UTC

    This incident has been resolved.

Read the full incident report →

Notice June 16, 2026

Opus 4.8 errors

Detected by Pingoru
Jun 16, 2026, 07:59 PM UTC
Resolved
Jun 16, 2026, 08:16 PM UTC
Duration
16m
Affected: claude.aiClaude Code
Timeline · 2 updates
  1. monitoring Jun 16, 2026, 07:59 PM UTC

    Opus 4.8 error rates were elevated from 12:41 PDT to approximately 12:53 PDT. The team is monitoring.

  2. resolved Jun 16, 2026, 08:16 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 16, 2026

Elevated errors across many models

Detected by Pingoru
Jun 16, 2026, 05:29 PM UTC
Resolved
Jun 16, 2026, 07:32 PM UTC
Duration
2h 2m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 7 updates
  1. investigating Jun 16, 2026, 05:29 PM UTC

    We are currently investigating this issue.

  2. monitoring Jun 16, 2026, 06:00 PM UTC

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

  3. identified Jun 16, 2026, 06:15 PM UTC

    We are still seeing errors on Opus 4.8 and Haiku 4.5.

  4. identified Jun 16, 2026, 07:00 PM UTC

    We are continuing to work to resolve an elevated rate of errors on requests to Claude Opus 4.8, and will provide an additional update as soon as possible.

  5. identified Jun 16, 2026, 07:08 PM UTC

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

  6. monitoring Jun 16, 2026, 07:22 PM UTC

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

  7. resolved Jun 16, 2026, 07:32 PM UTC

    The incident has now been resolved. We had two phases: * between 10:23 PT / 17:23 UTC to 11:00 PT / 18:00 UTC -- all Sonnet and Opus models were affected, reaching an error rate of around 10% * after 11:00 PT / 18:00 UTC and until 12:20 PT / 19:20 UTC -- Opus 4.8 had an average error rate of 10% The incident is now resolved.

Read the full incident report →

Minor June 15, 2026

Elevated errors on Claude Opus 4.8

Detected by Pingoru
Jun 15, 2026, 06:20 AM UTC
Resolved
Jun 15, 2026, 08:56 AM UTC
Duration
2h 35m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Jun 15, 2026, 06:20 AM UTC

    We are currently investigating this issue.

  2. monitoring Jun 15, 2026, 08:14 AM UTC

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

  3. resolved Jun 15, 2026, 08:56 AM UTC

    This incident has been resolved.

Read the full incident report →

Major June 11, 2026

Elevated errors across models

Detected by Pingoru
Jun 11, 2026, 04:54 PM UTC
Resolved
Jun 11, 2026, 05:56 PM UTC
Duration
1h 1m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Jun 11, 2026, 04:54 PM UTC

    We are currently investigating this issue.

  2. monitoring Jun 11, 2026, 05:27 PM UTC

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

  3. resolved Jun 11, 2026, 05:56 PM UTC

    The issue affecting various models has been resolved. Impact occurred from 09:42am PT / 16:42 UTC to 10:03am PT / 17:03 UTC.

Read the full incident report →

Minor June 11, 2026

Elevated errors on Claude Opus 4.6

Detected by Pingoru
Jun 11, 2026, 02:37 PM UTC
Resolved
Jun 11, 2026, 03:01 PM UTC
Duration
24m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 4 updates
  1. investigating Jun 11, 2026, 02:37 PM UTC

    We are currently investigating this issue.

  2. identified Jun 11, 2026, 02:37 PM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Jun 11, 2026, 02:58 PM UTC

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

  4. resolved Jun 11, 2026, 03:01 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 10, 2026

Elevated errors on Claude Haiku 4.5

Detected by Pingoru
Jun 10, 2026, 01:06 PM UTC
Resolved
Jun 10, 2026, 05:21 PM UTC
Duration
4h 14m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 6 updates
  1. investigating Jun 10, 2026, 01:06 PM UTC

    We are currently investigating this issue.

  2. identified Jun 10, 2026, 01:19 PM UTC

    The issue has been identified and a fix is being implemented.

  3. identified Jun 10, 2026, 02:59 PM UTC

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

  4. monitoring Jun 10, 2026, 04:20 PM UTC

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

  5. monitoring Jun 10, 2026, 05:13 PM UTC

    We are continuing to monitor Claude Haiku 4.5 towards full recovery, and at this point have seen success rates recover to close to normal operating levels. We are working to ensure there are no further issues.

  6. resolved Jun 10, 2026, 05:21 PM UTC

    This incident has been resolved.

Read the full incident report →

Major June 9, 2026

Fable not available in the model picker in Claude Code Desktop

Detected by Pingoru
Jun 09, 2026, 06:24 PM UTC
Resolved
Jun 09, 2026, 09:03 PM UTC
Duration
2h 38m
Affected: Claude Code
Timeline · 4 updates
  1. investigating Jun 09, 2026, 06:24 PM UTC

    We are currently investigating this issue.

  2. identified Jun 09, 2026, 06:35 PM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Jun 09, 2026, 08:16 PM UTC

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

  4. resolved Jun 09, 2026, 09:03 PM UTC

    This issue has been resolved. If you are experiencing issues with selecting Claude Fable within the Claude Code Desktop application, please ensure you have updated to the latest version.

Read the full incident report →

Minor June 9, 2026

Elevated errors on Claude Opus 4.8 (Fast Mode)

Detected by Pingoru
Jun 09, 2026, 03:13 AM UTC
Resolved
Jun 09, 2026, 03:42 AM UTC
Duration
29m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating Jun 09, 2026, 03:13 AM UTC

    We are currently investigating this issue.

  2. resolved Jun 09, 2026, 03:42 AM UTC

    This issue has been resolved. Claude Opus 4.8 (Fast Mode) saw elevated errors from 7:50 PM PT / 02:50 UTC to 8:30 PM PT / 03:30 UTC.

Read the full incident report →

Minor June 8, 2026

Elevated errors on Claude Opus 4.7

Detected by Pingoru
Jun 08, 2026, 09:05 PM UTC
Resolved
Jun 08, 2026, 09:56 PM UTC
Duration
51m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Jun 08, 2026, 09:05 PM UTC

    We are currently investigating this issue.

  2. monitoring Jun 08, 2026, 09:35 PM UTC

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

  3. resolved Jun 08, 2026, 09:56 PM UTC

    This issue has been resolved. Claude Opus 4.7 saw elevated errors from 2:01 PT / 21:01 UTC through 2:27 PT / 21:27 UTC.

Read the full incident report →

Minor June 7, 2026

Degraded performance for multiple models

Detected by Pingoru
Jun 07, 2026, 03:31 AM UTC
Resolved
Jun 07, 2026, 04:28 AM UTC
Duration
56m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Jun 07, 2026, 03:31 AM UTC

    We are investigating elevated errors on requests to Claude Opus 4.7. We will provide an update as soon as possible.

  2. identified Jun 07, 2026, 03:41 AM UTC

    We have identified the cause of elevated errors on requests to several Claude models and are working to resolve these issues.

  3. resolved Jun 07, 2026, 04:28 AM UTC

    We have resolved an issue resulting in elevated errors on requests to some Claude Models.

Read the full incident report →

Minor June 6, 2026

Opus 4.8 degraded service

Detected by Pingoru
Jun 06, 2026, 09:27 AM UTC
Resolved
Jun 06, 2026, 10:14 AM UTC
Duration
46m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 4 updates
  1. investigating Jun 06, 2026, 09:27 AM UTC

    We are currently investigating this issue.

  2. identified Jun 06, 2026, 09:43 AM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Jun 06, 2026, 09:59 AM UTC

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

  4. resolved Jun 06, 2026, 10:14 AM UTC

    This incident has been resolved.

Read the full incident report →

Major June 5, 2026

Elevated errors on many Claude models

Detected by Pingoru
Jun 05, 2026, 03:19 PM UTC
Resolved
Jun 05, 2026, 06:28 PM UTC
Duration
3h 8m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 6 updates
  1. investigating Jun 05, 2026, 03:19 PM UTC

    We are currently investigating this issue.

  2. identified Jun 05, 2026, 03:43 PM UTC

    We have identified the issue and we are working to mitigate the issue. Current ongoing issues with frontier models are with Opus 4.7 and Opus 4.8 and other models have recovered.

  3. identified Jun 05, 2026, 04:46 PM UTC

    We are continuing to work to resolve issues affecting success rates on Opus 4.7 and 4.8, and will provide additional updates as soon as possible.

  4. monitoring Jun 05, 2026, 05:13 PM UTC

    Success rates across all models have returned to expected levels. We are continuing to monitor closely to ensure no further issues will recur.

  5. monitoring Jun 05, 2026, 06:27 PM UTC

    The incident started at 8:08 PT / 15:08 UTC. Recovery times per model were: Opus 4.6 - 8:25 PT / 15:25 UTC Sonnet 4.6 — 9:23 PT / 16:23 UTC Opus 4.8 — 9:59 PT / 16:59 UTC Opus 4.7 — 10:12 PT / 17:12 UTC Opus 4.5 — 10:29 PT / 17:29 UTC All models have now fully recovered.

  6. resolved Jun 05, 2026, 06:28 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 3, 2026

Elevated errors on Opus 4.7

Detected by Pingoru
Jun 03, 2026, 07:10 AM UTC
Resolved
Jun 03, 2026, 07:38 AM UTC
Duration
28m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 3 updates
  1. investigating Jun 03, 2026, 07:10 AM UTC

    We are currently investigating this issue.

  2. monitoring Jun 03, 2026, 07:28 AM UTC

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

  3. resolved Jun 03, 2026, 07:38 AM UTC

    This incident has been resolved.

Read the full incident report →

Major June 3, 2026

Issue affecting some Claude Code services

Detected by Pingoru
Jun 03, 2026, 04:17 AM UTC
Resolved
Jun 03, 2026, 07:36 AM UTC
Duration
3h 19m
Affected: Claude Code
Timeline · 2 updates
  1. investigating Jun 03, 2026, 04:17 AM UTC

    We have identified an issue which is resulting in some Claude Code services being degraded. As a result of this issue, users will see issues with Claude Code security reviews, code reviews, routines and some Claude Code web sessions. Our engineers are working to resolve these issues as soon as possible.

  2. resolved Jun 03, 2026, 07:36 AM UTC

    This incident has been resolved.

Read the full incident report →

Major June 2, 2026

Elevated errors on multiple models

Detected by Pingoru
Jun 02, 2026, 06:04 AM UTC
Resolved
Jun 02, 2026, 11:49 AM UTC
Duration
5h 44m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 5 updates
  1. investigating Jun 02, 2026, 06:04 AM UTC

    We are currently investigating this issue.

  2. identified Jun 02, 2026, 06:39 AM UTC

    The issue has been identified and a fix is being implemented.

  3. identified Jun 02, 2026, 09:33 AM UTC

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

  4. monitoring Jun 02, 2026, 10:42 AM UTC

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

  5. resolved Jun 02, 2026, 11:49 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 1, 2026

Degraded performance for Claude Sonnet 4.6

Detected by Pingoru
Jun 01, 2026, 06:28 PM UTC
Resolved
Jun 01, 2026, 07:06 PM UTC
Duration
38m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating Jun 01, 2026, 06:28 PM UTC

    We are investigating elevated errors on requests to Claude Sonnet 4.6. We will provide an update as soon as possible.

  2. resolved Jun 01, 2026, 07:06 PM UTC

    This issue has been resolved.

Read the full incident report →

Minor June 1, 2026

Elevated errors on Claude Sonnet 4.6

Detected by Pingoru
Jun 01, 2026, 02:40 PM UTC
Resolved
Jun 01, 2026, 03:41 PM UTC
Duration
1h
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. identified Jun 01, 2026, 02:40 PM UTC

    The issue has been identified and a fix is being implemented.

  2. monitoring Jun 01, 2026, 03:21 PM UTC

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

  3. resolved Jun 01, 2026, 03:41 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 1, 2026

Elevated errors for Claude Opus 4.7

Detected by Pingoru
Jun 01, 2026, 12:15 PM UTC
Resolved
Jun 01, 2026, 01:33 PM UTC
Duration
1h 18m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 4 updates
  1. investigating Jun 01, 2026, 12:15 PM UTC

    We are currently investigating this issue.

  2. identified Jun 01, 2026, 12:19 PM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Jun 01, 2026, 12:48 PM UTC

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

  4. resolved Jun 01, 2026, 01:33 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 1, 2026

Sonnet 4.5 elevated errors

Detected by Pingoru
Jun 01, 2026, 09:08 AM UTC
Resolved
Jun 01, 2026, 09:28 AM UTC
Duration
19m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 4 updates
  1. investigating Jun 01, 2026, 09:08 AM UTC

    We are currently investigating this issue.

  2. monitoring Jun 01, 2026, 09:13 AM UTC

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

  3. monitoring Jun 01, 2026, 09:17 AM UTC

    We are continuing to monitor for any further issues.

  4. resolved Jun 01, 2026, 09:28 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 1, 2026

Opus 4.7 elevated errors

Detected by Pingoru
Jun 01, 2026, 06:48 AM UTC
Resolved
Jun 01, 2026, 07:22 AM UTC
Duration
33m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 3 updates
  1. investigating Jun 01, 2026, 06:48 AM UTC

    We are currently investigating this issue.

  2. monitoring Jun 01, 2026, 07:08 AM UTC

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

  3. resolved Jun 01, 2026, 07:22 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor May 30, 2026

opus 4.7 elevated errors

Detected by Pingoru
May 30, 2026, 10:58 PM UTC
Resolved
May 31, 2026, 12:16 AM UTC
Duration
1h 18m
Affected: claude.aiClaude Console (platform.claude.com)
Timeline · 2 updates
  1. investigating May 30, 2026, 10:58 PM UTC

    We are currently investigating this issue.

  2. resolved May 31, 2026, 12:16 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor May 28, 2026

Billing and subscription management issues

Detected by Pingoru
May 28, 2026, 07:04 PM UTC
Resolved
May 28, 2026, 07:23 PM UTC
Duration
19m
Affected: claude.aiClaude Console (platform.claude.com)
Timeline · 3 updates
  1. identified May 28, 2026, 07:04 PM UTC

    We are currently experiencing issues with billing and subscription management on claude.ai and the Anthropic Console. Users may see errors when viewing subscription details, payment methods, or attempting to upgrade or change plans. Chat and API access are not affected. We have identified the cause and are working on a fix.

  2. monitoring May 28, 2026, 07:17 PM UTC

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

  3. resolved May 28, 2026, 07:23 PM UTC

    The issue affecting Claude services has been resolved. Impact occurred from 18:27 UTC to 19:05 UTC.

Read the full incident report →

Minor May 26, 2026

Elevated errors for Claude Code in Slack

Detected by Pingoru
May 26, 2026, 01:56 AM UTC
Resolved
May 26, 2026, 05:19 AM UTC
Duration
3h 23m
Affected: Claude Code
Timeline · 2 updates
  1. investigating May 26, 2026, 01:56 AM UTC

    We are currently investigating this issue.

  2. resolved May 26, 2026, 05:19 AM UTC

    This incident has been resolved.

Read the full incident report →