Anthropic (Claude) Outage History

Past incidents and downtime events

Complete history of Anthropic (Claude) outages, incidents, and service disruptions. Showing 50 most recent incidents.

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July 2026(15 incidents)

minorresolvedJul 10, 02:36 PM — Resolved Jul 10, 03:02 PM

Elevated errors for Claude Opus 4.8

2 updates

resolvedJul 10, 03:02 PM

This incident has been resolved.

investigatingJul 10, 02:36 PM

We are currently investigating this issue.

noneresolvedJul 10, 01:00 PM — Resolved Jul 10, 01:00 PM

Elevated errors for Claude Opus 4.5 and Claude Sonnet 4.5

1 update

resolvedJul 10, 04:38 PM

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.

majorresolvedJul 9, 03:28 AM — Resolved Jul 9, 03:50 AM

Elevated errors for Claude Opus 4.8

2 updates

resolvedJul 9, 03:50 AM

This issue has been resolved

investigatingJul 9, 03:28 AM

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

minorresolvedJul 8, 07:07 PM — Resolved Jul 8, 09:04 PM

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

3 updates

resolvedJul 8, 09:04 PM

This issue has been resolved.

monitoringJul 8, 07:41 PM

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

investigatingJul 8, 07:07 PM

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. Our team is working on mitigating this issue.

minorresolvedJul 8, 06:00 PM — Resolved Jul 8, 09:04 PM

Elevated errors on multiple models

5 updates

resolvedJul 8, 09:04 PM

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.

identifiedJul 8, 07:29 PM

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

monitoringJul 8, 07:05 PM

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

identifiedJul 8, 06:28 PM

We have identified an issue causing elevated errors on requests to some models, and our team is working to resolve this issue as quickly as possible. We will provide an additional update shortly.

investigatingJul 8, 06:00 PM

We are currently investigating this issue.

minorresolvedJul 8, 12:00 PM — Resolved Jul 8, 07:00 PM

Issues authorizing to MCP Servers

1 update

resolvedJul 8, 07:19 PM

Users are unable to send authorized requests to MCP servers.

minorresolvedJul 8, 06:26 AM — Resolved Jul 8, 06:40 AM

Elevated errors on Claude Sonnet 5

2 updates

resolvedJul 8, 06:40 AM

This incident has been resolved.

investigatingJul 8, 06:26 AM

We are currently investigating this issue.

majorresolvedJul 7, 08:02 PM — Resolved Jul 7, 11:46 PM

Elevated errors for some models

5 updates

resolvedJul 7, 11:46 PM

This issue has been resolved.

monitoringJul 7, 11:19 PM

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 an additional update shortly.

identifiedJul 7, 09:47 PM

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.

identifiedJul 7, 08:28 PM

We have seen success rates return to normal, but we are continuing to work to fully resolve this issue and ensure no further recurrences.

investigatingJul 7, 08:02 PM

We are investigating elevated errors on requests to some models. We will provide an update as soon as possible.

minorresolvedJul 6, 09:49 PM — Resolved Jul 7, 03:52 PM

Claude Tag seeing elevated GitHub operation failures

3 updates

resolvedJul 7, 03:52 PM

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

investigatingJul 7, 03:30 PM

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

investigatingJul 6, 09:49 PM

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.

minorresolvedJul 7, 06:58 AM — Resolved Jul 7, 07:37 AM

Elevated errors on Claude Sonnet 5

2 updates

resolvedJul 7, 07:37 AM

This incident has been resolved.

investigatingJul 7, 06:58 AM

We are currently investigating this issue.

criticalresolvedJul 6, 07:18 PM — Resolved Jul 6, 08:05 PM

Elevated errors on Claude.ai

4 updates

resolvedJul 6, 08:05 PM

This issue has been resolved.

monitoringJul 6, 07:46 PM

We have applied a fix, and at this time are seeing recovery of Claude.ai and related services such as OAuth log-in for Claude Code.

investigatingJul 6, 07:28 PM

We have identified and are working to resolve an issue impacting Claude.ai. An additional impact of the ongoing issue is the inability to log-in via Claude.ai OAuth for Claude Code. We will provide an additional update as soon as possible.

investigatingJul 6, 07:18 PM

We are investigating elevated errors on Claude.ai, and will provide an update as soon as possible.

minorresolvedJul 6, 07:36 AM — Resolved Jul 6, 09:13 AM

Elevated errors on several models

3 updates

resolvedJul 6, 09:13 AM

This incident has been resolved.

identifiedJul 6, 08:45 AM

Fable 5 has now also started returning errors.

investigatingJul 6, 07:36 AM

We are currently investigating this issue.

minorresolvedJul 3, 11:42 PM — Resolved Jul 4, 12:20 AM

Elevated errors across many models

3 updates

resolvedJul 4, 12:20 AM

This incident has been resolved.

monitoringJul 4, 12:19 AM

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

investigatingJul 3, 11:42 PM

We are currently investigating this issue.

minorresolvedJul 3, 09:54 PM — Resolved Jul 3, 10:06 PM

Elevated errors on Claude Fable 5 and Claude Mythos 5

4 updates

resolvedJul 3, 10:06 PM

This incident has been resolved.

monitoringJul 3, 10:00 PM

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

identifiedJul 3, 09:55 PM

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

investigatingJul 3, 09:54 PM

We are currently investigating this issue.

minorresolvedJul 2, 12:38 AM — Resolved Jul 2, 01:19 AM

Elevated errors on Claude Opus 4.8

3 updates

resolvedJul 2, 01:19 AM

This incident has been resolved.

identifiedJul 2, 12:58 AM

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

investigatingJul 2, 12:38 AM

We are currently investigating this issue.

June 2026(35 incidents)

criticalresolvedJun 13, 12:50 AM — Resolved Jul 1, 07:26 PM

We’ve suspended access to Claude Mythos 5 and Claude Fable 5

2 updates

resolvedJul 1, 07:26 PM

Learn more here: https://anthropic.com/news/redeploying-fable-5

monitoringJun 13, 12:50 AM

Learn more here: https://anthropic.com/news/fable-mythos-access

minorresolvedJun 30, 02:31 PM — Resolved Jun 30, 03:28 PM

Elevated error rates on Opus 4.8

3 updates

resolvedJun 30, 03:28 PM

This incident has been resolved.

monitoringJun 30, 02:45 PM

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

investigatingJun 30, 02:31 PM

We are currently investigating elevated error rates on Opus 4.8. Our team is actively working to identify the root cause.

minorresolvedJun 29, 01:35 PM — Resolved Jun 29, 02:27 PM

Elevated errors on Opus 4.5

4 updates

resolvedJun 29, 02:27 PM

This incident has been resolved.

monitoringJun 29, 02:13 PM

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

identifiedJun 29, 01:52 PM

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

investigatingJun 29, 01:35 PM

We are currently investigating this issue.

noneresolvedJun 27, 06:00 PM — Resolved Jun 27, 06:00 PM

elevated errors on Opus 48

1 update

resolvedJun 27, 06:23 PM

Elevated errors on Opus-48. It has been mitigated. We are actively monitoring the system.

noneresolvedJun 24, 06:22 PM — Resolved Jun 24, 06:33 PM

Elevated errors on Opus 4.8 Fast

2 updates

resolvedJun 24, 06:33 PM

This incident has been resolved.

investigatingJun 24, 06:22 PM

We are currently investigating this issue.

minorresolvedJun 24, 01:16 PM — Resolved Jun 24, 02:56 PM

Elevated error rate on Claude Opus 4.8

2 updates

resolvedJun 24, 02:56 PM

This incident has been resolved.

investigatingJun 24, 01:16 PM

We are currently investigating this issue.

minorresolvedJun 23, 06:24 PM — Resolved Jun 23, 06:32 PM

Claude.ai is experiencing elevated error rates

3 updates

resolvedJun 23, 06:32 PM

This incident has been resolved.

monitoringJun 23, 06:32 PM

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

investigatingJun 23, 06:24 PM

We are currently investigating this issue.

criticalresolvedJun 23, 02:19 PM — Resolved Jun 23, 04:44 PM

Elevated error rate across multiple models

6 updates

resolvedJun 23, 04:44 PM

This incident has been resolved.

monitoringJun 23, 04:05 PM

We have seen error rates broadly return to normal success levels across all models. We saw elevated error rates on requests to multiple models from 7:08am PT / 14:08 UTC through 8:33am PT / 15:33 UTC.

monitoringJun 23, 03:28 PM

We are continuing to monitor for any further issues.

monitoringJun 23, 02:53 PM

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

identifiedJun 23, 02:25 PM

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

investigatingJun 23, 02:19 PM

We are currently investigating this issue.

minorresolvedJun 23, 06:28 AM — Resolved Jun 23, 08:45 AM

Elevated errors for Claude Opus 4.8

3 updates

resolvedJun 23, 08:45 AM

This incident has been resolved.

monitoringJun 23, 07:47 AM

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

investigatingJun 23, 06:28 AM

We are currently investigating this issue.

minorresolvedJun 22, 07:14 PM — Resolved Jun 22, 07:45 PM

Elevated errors across many models

3 updates

resolvedJun 22, 07:45 PM

This incident has been resolved.

monitoringJun 22, 07:20 PM

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

investigatingJun 22, 07:14 PM

We are currently investigating this issue.

minorresolvedJun 22, 08:11 AM — Resolved Jun 22, 02:44 PM

Elevated errors for Claude Opus 4.8

4 updates

resolvedJun 22, 02:44 PM

This incident has been resolved.

monitoringJun 22, 09:59 AM

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

investigatingJun 22, 08:12 AM

We are continuing to investigate this issue.

investigatingJun 22, 08:11 AM

We are currently investigating this issue.

majorresolvedJun 22, 12:37 AM — Resolved Jun 22, 02:06 AM

Elevated Error Rates for Opus 4.8, Opus 4.7, Opus 4.6, Sonnet 4.6, and Haiku 4.5

8 updates

resolvedJun 22, 02:06 AM

This incident has been resolved.

monitoringJun 22, 02:01 AM

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

identifiedJun 22, 01:56 AM

Opus 4.7 has recovered

identifiedJun 22, 01:33 AM

Haiku 4.5 has recovered

identifiedJun 22, 01:16 AM

Opus 4.8 has recovered.

identifiedJun 22, 01:11 AM

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

investigatingJun 22, 12:37 AM

We are continuing to investigate this issue.

investigatingJun 22, 12:37 AM

We are currently investigating this issue.

minorresolvedJun 20, 05:07 PM — Resolved Jun 20, 06:02 PM

Opus 4.8 errors

4 updates

resolvedJun 20, 06:02 PM

This incident has been resolved.

monitoringJun 20, 05:49 PM

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

investigatingJun 20, 05:23 PM

We are continuing to investigate this issue.

investigatingJun 20, 05:07 PM

We are currently investigating this issue.

minorresolvedJun 19, 08:17 AM — Resolved Jun 19, 08:45 AM

Elevated error rates on the Claude API

3 updates

resolvedJun 19, 08:45 AM

This incident has been resolved.

monitoringJun 19, 08:37 AM

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

investigatingJun 19, 08:17 AM

We are currently investigating this issue.

minorresolvedJun 19, 06:07 AM — Resolved Jun 19, 07:17 AM

Elevated errors for Claude Opus 4.8

3 updates

resolvedJun 19, 07:17 AM

This incident has been resolved.

monitoringJun 19, 07:03 AM

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

investigatingJun 19, 06:07 AM

We are currently investigating this issue.

majorresolvedJun 18, 07:41 AM — Resolved Jun 18, 08:19 AM

Service disruption on Claude services

2 updates

resolvedJun 18, 08:19 AM

The issue affecting Claude services has been resolved. Impact occurred from 06:55 to 07:40 UTC.

identifiedJun 18, 07:41 AM

We have identified the cause of the issue affecting Claude.ai and are working on a fix. We will provide an update as soon as possible.

minorresolvedJun 17, 03:34 PM — Resolved Jun 17, 04:28 PM

Elevated errors for Claude Opus 4.8

3 updates

resolvedJun 17, 04:28 PM

This incident has been resolved.

monitoringJun 17, 04:01 PM

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

investigatingJun 17, 03:34 PM

We are currently investigating this issue.

minorresolvedJun 17, 08:24 AM — Resolved Jun 17, 10:03 AM

Elevated errors for Claude Opus 4.8

4 updates

resolvedJun 17, 10:03 AM

This incident has been resolved.

monitoringJun 17, 09:37 AM

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

identifiedJun 17, 08:54 AM

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

investigatingJun 17, 08:24 AM

We are currently investigating this issue.

minorresolvedJun 17, 05:08 AM — Resolved Jun 17, 06:37 AM

Elevated errors for Claude Opus 4.8

3 updates

resolvedJun 17, 06:37 AM

This incident has been resolved. Requests to Claude Opus 4.8 received elevated errors between 9:59pm PT / 04:59 UTC and 10:41pm PT / 05:41 UTC.

monitoringJun 17, 05:44 AM

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

investigatingJun 17, 05:08 AM

We are currently investigating this issue.

minorresolvedJun 17, 12:47 AM — Resolved Jun 17, 02:50 AM

Elevated errors on Claude Sonnet 4.6 and Opus 4.8

3 updates

resolvedJun 17, 02:50 AM

This incident has been resolved.

identifiedJun 17, 01:52 AM

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.

investigatingJun 17, 12:47 AM

We are currently investigating this issue.

majorresolvedJun 16, 08:50 PM — Resolved Jun 16, 10:02 PM

Elevated errors for Claude Opus 4.8

3 updates

resolvedJun 16, 10:02 PM

This issue has been resolved. We saw elevated errors on requests to Claude Opus 4.8 between 1:45pm PT / 20:45 UTC and 1:58pm PT / 20:58 UTC.

monitoringJun 16, 09:01 PM

We have resolved the issue resulting in elevated errors on requests to Claude Opus 4.8, and are currently monitoring closely to prevent any further issues.

investigatingJun 16, 08:50 PM

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

noneresolvedJun 16, 07:59 PM — Resolved Jun 16, 08:16 PM

Opus 4.8 errors

2 updates

resolvedJun 16, 08:16 PM

This incident has been resolved.

monitoringJun 16, 07:59 PM

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

minorresolvedJun 16, 05:29 PM — Resolved Jun 16, 07:32 PM

Elevated errors across many models

7 updates

resolvedJun 16, 07:32 PM

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.

monitoringJun 16, 07:22 PM

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

identifiedJun 16, 07:08 PM

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

identifiedJun 16, 07:00 PM

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.

identifiedJun 16, 06:15 PM

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

monitoringJun 16, 06:00 PM

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

investigatingJun 16, 05:29 PM

We are currently investigating this issue.

minorresolvedJun 15, 06:20 AM — Resolved Jun 15, 08:56 AM

Elevated errors on Claude Opus 4.8

3 updates

resolvedJun 15, 08:56 AM

This incident has been resolved.

monitoringJun 15, 08:14 AM

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

investigatingJun 15, 06:20 AM

We are currently investigating this issue.

minorresolvedJun 13, 02:03 AM — Resolved Jun 13, 02:11 AM

Elevated errors on Claude Opus 4.8

2 updates

resolvedJun 13, 02:11 AM

This incident has been resolved.

investigatingJun 13, 02:03 AM

We are currently investigating this issue.

majorresolvedJun 11, 04:54 PM — Resolved Jun 11, 05:56 PM

Elevated errors across models

3 updates

resolvedJun 11, 05:56 PM

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

monitoringJun 11, 05:27 PM

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

investigatingJun 11, 04:54 PM

We are currently investigating this issue.

minorresolvedJun 11, 02:37 PM — Resolved Jun 11, 03:01 PM

Elevated errors on Claude Opus 4.6

4 updates

resolvedJun 11, 03:01 PM

This incident has been resolved.

monitoringJun 11, 02:58 PM

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

identifiedJun 11, 02:37 PM

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

investigatingJun 11, 02:37 PM

We are currently investigating this issue.

minorresolvedJun 10, 01:06 PM — Resolved Jun 10, 05:21 PM

Elevated errors on Claude Haiku 4.5

6 updates

resolvedJun 10, 05:21 PM

This incident has been resolved.

monitoringJun 10, 05:13 PM

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.

monitoringJun 10, 04:20 PM

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

identifiedJun 10, 02:59 PM

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

identifiedJun 10, 01:19 PM

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

investigatingJun 10, 01:06 PM

We are currently investigating this issue.

minorresolvedJun 9, 08:32 PM — Resolved Jun 9, 10:10 PM

Elevated errors on Claude Opus 4.6

2 updates

resolvedJun 9, 10:10 PM

From 1:20pm PT / 20:20 UTC through 2:05pm PT / 21:05 PT, we saw elevated errors on requests to Claude Opus 4.6. This issue has been resolved.

investigatingJun 9, 08:32 PM

We are currently investigating this issue.

majorresolvedJun 9, 06:24 PM — Resolved Jun 9, 09:03 PM

Fable not available in the model picker in Claude Code Desktop

4 updates

resolvedJun 9, 09:03 PM

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.

monitoringJun 9, 08:16 PM

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

identifiedJun 9, 06:35 PM

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

investigatingJun 9, 06:24 PM

We are currently investigating this issue.

minorresolvedJun 9, 03:13 AM — Resolved Jun 9, 03:42 AM

Elevated errors on Claude Opus 4.8 (Fast Mode)

2 updates

resolvedJun 9, 03:42 AM

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.

investigatingJun 9, 03:13 AM

We are currently investigating this issue.

minorresolvedJun 8, 10:20 PM — Resolved Jun 8, 10:36 PM

Elevated errors on Claude Opus 4.8

2 updates

resolvedJun 8, 10:36 PM

This issue has been resolved. Claude Opus 4.8 saw elevated errors from 3:06 PT / 22:06 UTC through 3:28 PT / 22:28 UTC.

investigatingJun 8, 10:20 PM

We are currently investigating this issue.

minorresolvedJun 8, 09:05 PM — Resolved Jun 8, 09:56 PM

Elevated errors on Claude Opus 4.7

3 updates

resolvedJun 8, 09:56 PM

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.

monitoringJun 8, 09:35 PM

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

investigatingJun 8, 09:05 PM

We are currently investigating this issue.

minorresolvedJun 8, 07:10 PM — Resolved Jun 8, 07:52 PM

Elevated errors on Claude Haiku 4.5

2 updates

resolvedJun 8, 07:52 PM

The incident is now resolved. The impact started at 11:35 PT / 18:35 UTC and ended at 12:30 PT / 19:30 UTC.

investigatingJun 8, 07:10 PM

We are currently investigating this issue.

minorresolvedJun 8, 05:15 PM — Resolved Jun 8, 07:22 PM

Elevated errors on Claude Opus 4.7

3 updates

resolvedJun 8, 07:22 PM

This issue has been resolved. We saw errors affecting Opus 4.7 from 16:56–17:47 UTC.

monitoringJun 8, 05:55 PM

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

investigatingJun 8, 05:15 PM

We are currently investigating this issue.

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