How often does Anthropic (Claude) have outages?

Anthropic (Claude) has had 50 reported incidents recently. Visit apistatuscheck.com/incidents/anthropic for the complete outage history with timelines and resolution details.

What was the last Anthropic (Claude) outage?

The most recent Anthropic (Claude) incident was "Degraded performance on Claude Sonnet 5" on August 3, 2026. It was classified as minor impact and is currently resolved.

Anthropic (Claude) Outage History

50 incidents reported. Data sourced from the official Anthropic (Claude) status page.

Total Incidents

Major/Critical

Minor

Resolved

August 2026

Degraded performance on Claude Sonnet 5

minor

Aug 3, 03:13 PM→Aug 3, 03:29 PMresolved

Aug 3, 03:29 PM

resolved — As of 15:20 UTC (8:20am PT), error rates on Claude Sonnet 5 have returned to baseline. This incident is resolved.

Aug 3, 03:13 PM

investigating — We are currently investigating this issue.

Error rates across multiple models

minor

Aug 3, 12:52 PM→Aug 3, 02:17 PMresolved

Aug 3, 02:17 PM

resolved — This incident has been resolved.

Aug 3, 01:30 PM

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

Aug 3, 12:52 PM

investigating — We are currently investigating this issue.

July 2026

Degraded performance on Claude Sonnet 5

minor

Jul 31, 06:18 AM→Jul 31, 07:04 AMresolved

Jul 31, 07:04 AM

resolved — This incident has been resolved.

Jul 31, 06:18 AM

investigating — We are currently investigating this issue.

Degraded performance on Claude Opus 4.8

minor

Jul 30, 01:43 PM→Jul 30, 02:24 PMresolved

Jul 30, 02:24 PM

resolved — This incident has been resolved.

Jul 30, 01:43 PM

investigating — We are currently investigating this issue.

Elevated errors across many models

major

Jul 30, 05:57 AM→Jul 30, 10:48 AMresolved

Jul 30, 10:48 AM

resolved — This incident has been resolved.

Jul 30, 10:23 AM

monitoring — We are also investigating issues with Opus 4.7 and Opus 4.5.

Jul 30, 10:03 AM

monitoring — As of 2:58 PT / 9:58 UTC the errors are back to baseline.

+5 more updates

Elevated errors across all models

critical

Jul 29, 07:49 PM→Jul 29, 10:36 PMresolved

Jul 29, 10:36 PM

resolved — This issue has been resolved.

Jul 29, 10:20 PM

monitoring — From 12:45 PT / 19:45 UTC through to 1:26 PT / 21:26 UTC, we saw elevated rates of errors across Claude models. We have seen recovery in success rates across all models and are monitoring closely to e...

Jul 29, 09:38 PM

identified — We are continuing to work to fully resolve issues resulting in elevated requests and latency to Claude models. At this time, we are seeing recovery across most models. We will provide an additional up...

+2 more updates

Elevated errors on Claude Opus 5 and Haiku 4.5

minor

Jul 27, 01:39 PM→Jul 27, 02:36 PMresolved

Jul 27, 02:36 PM

resolved — As of 7:34 PST / 14:34 UTC the errors have returned to baseline.

Jul 27, 02:04 PM

investigating — Haiku 4.5 is also returning errors.

Jul 27, 01:42 PM

investigating — We are currently investigating this issue.

+2 more updates

Elevated errors on Claude Opus 5

minor

Jul 27, 11:27 AM→Jul 27, 12:30 PMresolved

Jul 27, 12:30 PM

resolved — As of 4:47 PST / 11:47 UTC the errors have returned to baseline.

Jul 27, 11:27 AM

investigating — We are currently investigating this issue.

Elevated errors on Claude Opus 5

minor

Jul 27, 08:16 AM→Jul 27, 09:05 AMresolved

Jul 27, 09:05 AM

resolved — As of 2:03 PST / 9:03 UTC the errors have returned to baseline.

Jul 27, 08:16 AM

investigating — We are currently investigating this issue.

Elevated errors for Opus 5

major

Jul 26, 09:17 AM→Jul 26, 10:44 AMresolved

Jul 26, 10:44 AM

resolved — This incident has been resolved.

Jul 26, 10:34 AM

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

Jul 26, 10:28 AM

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

+2 more updates

Elevated errors for Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other models

major

Jul 25, 09:34 PM→Jul 25, 10:08 PMresolved

Jul 25, 10:08 PM

resolved — This incident has been resolved.

Jul 25, 09:34 PM

investigating — We are investigating elevated errors on requests to Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.

Elevated errors for Mythos 5, Fable 5, Opus 5 and Claude Haiku 4.5

major

Jul 25, 06:40 PM→Jul 25, 07:44 PMresolved

Jul 25, 07:44 PM

resolved — This incident has been resolved.

Jul 25, 06:44 PM

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

Jul 25, 06:40 PM

investigating — We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Haiku 4.5. We will provide an update as soon as possible.

Sonnet 4.6 and Sonnet 5 errors elevated

none

Jul 25, 06:13 PM→Jul 25, 06:13 PMresolved

Jul 25, 06:14 PM

resolved — For approximately 10 minutes, error rates on Sonnet 4.6 and 5 were elevated. Service returned to normal at approximately 11:07a PDT.

Microsoft Office add-in availability

none

Jul 22, 05:56 PM→Jul 24, 03:36 PMresolved

Jul 24, 03:36 PM

resolved — This issue has been resolved.

Jul 22, 05:56 PM

identified — Users who installed the following add-ins may experience issues accessing the add-in functionality: Claude by Anthropic for PowerPoint, Claude by Anthropic for Word, and Claude by Anthropic for Excel....

Elevated error rate on Opus 4.8

minor

Jul 24, 09:09 AM→Jul 24, 10:22 AMresolved

Jul 24, 10:22 AM

resolved — This incident has been resolved.

Jul 24, 09:35 AM

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

Jul 24, 09:09 AM

investigating — We are currently investigating this issue.

Elevated errors on Haiku 4.5

minor

Jul 22, 11:52 PM→Jul 23, 12:10 AMresolved

Jul 23, 12:10 AM

resolved — This incident has been resolved.

Jul 22, 11:52 PM

investigating — We are currently investigating this issue.

Service disruption on Claude Services

minor

Jul 22, 05:27 PM→Jul 22, 05:45 PMresolved

Jul 22, 05:45 PM

resolved — This incident has been resolved.

Jul 22, 05:28 PM

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

Jul 22, 05:27 PM

investigating — We are investigating an outage affecting features such as document creation in claude.ai, Cowork Remote, Claude Code, Claude Code on the Web, Claude Tag, and Claude Design

Elevated error rates for Sonnet 5

minor

Jul 22, 03:24 PM→Jul 22, 04:12 PMresolved

Jul 22, 04:12 PM

resolved — This incident has been resolved.

Jul 22, 03:36 PM

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

Jul 22, 03:24 PM

investigating — We are currently investigating this issue.

Elevated errors on Opus 4.8 and Haiku 4.5

minor

Jul 22, 01:37 PM→Jul 22, 03:23 PMresolved

Jul 22, 03:23 PM

resolved — This incident has been resolved.

Jul 22, 03:06 PM

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

Jul 22, 02:18 PM

identified — We are continuing to work on a fix for this issue. Haiku 4.5 has recovered

+2 more updates

Elevated errors for Claude Opus 4.1

minor

Jul 22, 08:34 AM→Jul 22, 09:00 AMresolved

Jul 22, 09:00 AM

resolved — This incident has been resolved.

Jul 22, 08:45 AM

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

Jul 22, 08:34 AM

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

Elevated errors on several models

critical

Jul 21, 03:35 PM→Jul 21, 06:18 PMresolved

Jul 21, 06:18 PM

resolved — From 8:28am PT / 15:28 UTC through 9:26am PT / 16:26 UTC users experienced elevated errors on requests to multiple Claude models. This issue has been resolved.

Jul 21, 05:07 PM

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

Jul 21, 03:51 PM

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

+1 more updates

Service disruption on Claude services

critical

Jul 21, 05:40 PM→Jul 21, 06:03 PMresolved

Jul 21, 06:03 PM

resolved — This incident has been resolved.

Jul 21, 05:51 PM

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

Jul 21, 05:47 PM

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

+3 more updates

Elevated errors on Haiku 4.5

major

Jul 21, 01:04 PM→Jul 21, 04:38 PMresolved

Jul 21, 04:38 PM

resolved — This incident has been resolved.

Jul 21, 03:30 PM

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

Jul 21, 02:44 PM

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

+3 more updates

Elevated errors across Fable 5

minor

Jul 21, 11:19 AM→Jul 21, 12:07 PMresolved

Jul 21, 12:07 PM

resolved — This incident has been resolved.

Jul 21, 11:47 AM

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

Jul 21, 11:28 AM

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

+2 more updates

Elevated errors across models

minor

Jul 21, 10:11 AM→Jul 21, 11:18 AMresolved

Jul 21, 11:18 AM

resolved — This incident has been resolved.

Jul 21, 11:10 AM

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

Jul 21, 10:11 AM

investigating — We are currently investigating issues with Claude Haiku 4.5 and Opus 4.8.

Elevated errors on Haiku 4.5

minor

Jul 21, 07:11 AM→Jul 21, 08:53 AMresolved

Jul 21, 08:53 AM

resolved — This incident has been resolved.

Jul 21, 08:19 AM

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

Jul 21, 07:11 AM

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

Elevated errors for Claude Opus 4.8

minor

Jul 20, 02:41 PM→Jul 20, 04:16 PMresolved

Jul 20, 04:16 PM

resolved — This incident has been resolved.

Jul 20, 04:07 PM

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

Jul 20, 03:09 PM

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

+1 more updates

Elevated errors on Haiku 4.5

minor

Jul 20, 01:20 PM→Jul 20, 03:41 PMresolved

Jul 20, 03:41 PM

resolved — This incident has been resolved.

Jul 20, 03:33 PM

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

Jul 20, 03:09 PM

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

+1 more updates

Fable 5 requiring usage credits on Max plans

minor

Jul 20, 07:35 AM→Jul 20, 03:35 PMresolved

Jul 20, 03:35 PM

resolved — This incident has been resolved.

Jul 20, 07:35 AM

monitoring — Some Claude Code Max plan users were incorrectly prompted to use usage credits to access Fable 5, which is included in their plan. If you were affected, please restart Claude Code.

Elevated error rates for Opus 4.5

minor

Jul 20, 07:03 AM→Jul 20, 12:48 PMresolved

Jul 20, 12:48 PM

resolved — This incident has been resolved.

Jul 20, 10:57 AM

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

Jul 20, 10:05 AM

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

+2 more updates

Elevated errors across Fable 5

major

Jul 17, 06:32 PM→Jul 17, 07:43 PMresolved

Jul 17, 07:43 PM

resolved — This issue has been resolved, and Claude Fable 5 is available once again without usage credits, as expected.

Jul 17, 06:48 PM

monitoring — We have applied a fix to resolve the erroneous requirement for usage credits on Fable 5, and are monitoring to ensure no further issues. You may need to relaunch Claude.ai or Claude Code to restore ac...

Jul 17, 06:36 PM

investigating — We are aware of an issue preventing users from selecting Claude Fable 5 within Claude.ai, Claude Code, and other surfaces, and are working to resolve this issue.

+1 more updates

Elevated error rates for Sonnet 5

major

Jul 17, 06:12 PM→Jul 17, 06:27 PMresolved

Jul 17, 06:27 PM

resolved — This incident has been resolved.

Jul 17, 06:22 PM

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

Jul 17, 06:13 PM

investigating — We are continuing to investigate this issue.

+1 more updates

Elevated errors for Claude Opus 4.8

minor

Jul 17, 02:57 PM→Jul 17, 03:33 PMresolved

Jul 17, 03:33 PM

resolved — This incident has been resolved.

Jul 17, 03:27 PM

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

Jul 17, 02:57 PM

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

Elevated errors on Sonnet 5 and Haiku 4.5

minor

Jul 17, 06:47 AM→Jul 17, 12:21 PMresolved

Jul 17, 12:21 PM

resolved — This incident has been resolved.

Jul 17, 07:10 AM

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

Jul 17, 07:03 AM

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

+1 more updates

Elevated errors for multiple models

major

Jul 16, 06:36 PM→Jul 16, 10:53 PMresolved

Jul 16, 10:53 PM

resolved — This issue has been resolved. From 11:30am PT / 18:30 UTC through to 3:15pm PT / 22:15 UTC some users experienced elevated errors on requests to Claude Models. Most errors were experienced within the ...

Jul 16, 10:01 PM

monitoring — We have seen success rates recover and are continuing to monitor closely to ensure no further issues. We will provide an additional update shortly.

Jul 16, 08:58 PM

identified — At this time, we are seeing recovery on requests to most models. We are continuing to see elevated errors on requests to Claude Fable 5 and Mythos 5, and are working to resolve these remaining issues....

+3 more updates

Elevated errors for Claude Opus 4.7

minor

Jul 16, 08:58 AM→Jul 16, 01:30 PMresolved

Jul 16, 01:30 PM

resolved — This incident has been resolved.

Jul 16, 08:58 AM

investigating — We are currently investigating this issue.

Enterprise SSO sign-in failures

major

Jul 16, 09:23 AM→Jul 16, 10:27 AMresolved

Jul 16, 10:27 AM

resolved — This incident has been resolved.

Jul 16, 09:23 AM

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

Elevated errors on Claude Sonnet 5

minor

Jul 16, 08:39 AM→Jul 16, 08:53 AMresolved

Jul 16, 08:53 AM

resolved — This incident has been resolved.

Jul 16, 08:39 AM

investigating — We are currently investigating this issue.

Elevated errors on multiple models

minor

Jul 15, 02:04 PM→Jul 15, 03:11 PMresolved

Jul 15, 03:11 PM

resolved — This incident has been resolved.

Jul 15, 03:02 PM

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

Jul 15, 02:49 PM

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

+1 more updates

Partial outage of claude.ai: container creation

major

Jul 14, 09:31 PM→Jul 14, 10:16 PMresolved

Jul 14, 10:16 PM

resolved — This incident has been resolved.

Jul 14, 09:58 PM

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

Jul 14, 09:56 PM

investigating — We are continuing to investigate this issue.

+1 more updates

Elevated errors on Claude Haiku 4.5

minor

Jul 13, 02:44 PM→Jul 13, 03:24 PMresolved

Jul 13, 03:24 PM

resolved — This incident has been resolved.

Jul 13, 03:04 PM

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

Jul 13, 02:44 PM

investigating — We are currently investigating this issue.

Elevated errors for Claude Opus 4.8

minor

Jul 10, 02:36 PM→Jul 10, 03:02 PMresolved

Jul 10, 03:02 PM

resolved — This incident has been resolved.

Jul 10, 02:36 PM

investigating — We are currently investigating this issue.

Elevated errors for Claude Opus 4.5 and Claude Sonnet 4.5

none

Jul 10, 01:00 PM→Jul 10, 01:00 PMresolved

Jul 10, 04:38 PM

resolved — Elevated errors for Claude Opus 4.5 and Claude Sonnet 4.5 between 6:00am PT / 1:00pm UTC and 8:15am PT / 3:15pm UTC.

Elevated errors for Claude Opus 4.8

major

Jul 9, 03:28 AM→Jul 9, 03:50 AMresolved

Jul 9, 03:50 AM

resolved — This issue has been resolved

Jul 9, 03:28 AM

investigating — We are investigating elevated errors on requests to Claude Opus 4.8. We will provide an update as soon as possible.

Degraded performance for Claude Code on the web, Cowork Remote, Claude Tag, and Claude Code Review sessions

minor

Jul 8, 07:07 PM→Jul 8, 09:04 PMresolved

Jul 8, 09:04 PM

resolved — This issue has been resolved.

Jul 8, 07:41 PM

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

Jul 8, 07:07 PM

investigating — We are currently investigating a performance issue affecting features such as Claude Code on the Web (claude.ai/code), Claude Code Review, Cowork Remote, Claude Tag, and document creation in claude.ai...

Elevated errors on multiple models

minor

Jul 8, 06:00 PM→Jul 8, 09:04 PMresolved

Jul 8, 09:04 PM

resolved — This issue has been resolved. Users saw elevated errors on requests to some models between 10:45am PT / 17:45 UTC and 12:40pm PT / 19:40 UTC.

Jul 8, 07:29 PM

identified — We are continuing to work to fully resolve errors impacting some requests, and will provide an additional update as soon as possible.

Jul 8, 07:05 PM

monitoring — At this time, success rates have recovered across impacted models and we are monitoring closely to ensure no further issues occur.

+2 more updates

Issues authorizing to MCP Servers

minor

Jul 8, 12:00 PM→Jul 8, 07:00 PMresolved

Jul 8, 07:19 PM

resolved — Users are unable to send authorized requests to MCP servers.

Elevated errors on Claude Sonnet 5

minor

Jul 8, 06:26 AM→Jul 8, 06:40 AMresolved

Jul 8, 06:40 AM

resolved — This incident has been resolved.

Jul 8, 06:26 AM

investigating — We are currently investigating this issue.

Elevated errors for some models

major

Jul 7, 08:02 PM→Jul 7, 11:46 PMresolved

Jul 7, 11:46 PM

resolved — This issue has been resolved.

Jul 7, 11:19 PM

monitoring — We are continuing to monitor issues affecting requests to some models, and have once again seen success rates return to normal. We are working to ensure there are no further issues, and will provide a...

Jul 7, 09:47 PM

identified — We are continuing to work to resolve an issue resulting in elevated errors on requests to some models, primarily Claude Fable 5. We will provide an additional update as soon as possible.

+2 more updates

Claude Tag seeing elevated GitHub operation failures

minor

Jul 6, 09:49 PM→Jul 7, 03:52 PMresolved

Jul 7, 03:52 PM

resolved — Our team is observing a lower error rate after these changes. We will continue investigating in-case we observe any spikes.

Jul 7, 03:30 PM

investigating — Our team has made some changes to update the load to GitHub, that we think will reduce this error rate.

Jul 6, 09:49 PM

investigating — We are currently investigating elevated error rates on calls made Claude Tag. Our team is actively working to identify the root cause. You may experience errors such as GitHub operations denied.

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