Anthropic

This issue has been resolved.

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.

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.

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.

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.

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.

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

A Windows update released September 8 has left Claude Cowork on Windows unable to run local commands, because its workspace can no longer reach your computer's drive. For most users, chat and file reading and editing still work. There's no in-app workaround yet, and restarting or reinstalling won't help. Microsoft has developed a fix and is working to release it. We'll post an update when we have more to share.

The issue affecting Claude services has been resolved. Impact occurred from 13:57 to 14:20 UTC

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

A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring for recovery.

We have identified the cause of elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.

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

The issue affecting Claude services has been mitigated.

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.

The issue affecting Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 has been resolved. Impact has ended as of 9:16 PT / 16:16 UTC.

A fix has been deployed for Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and we are monitoring for recovery.

The only affected models right now are Opus 4.8 and Opus 5. The rest of the models have recovered to baseline error rate.

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

An exhaustive list of affected models: Mythos/Fable 5.1, Mythos/Fable 5, Opus 5, Opus 4.8, Opus 4.6.

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.

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.

This incident has been resolved.

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

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

The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 UTC.

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

This issue has been resolved.

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.

This issue has been resolved.

We are seeing success rates recover across affected services. Core inference and the API are not impacted.

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.

This issue has been resolved.

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

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

This issue has been resolved.

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

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

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

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

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.

This issue has been resolved.

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.

This issue has been resolved.

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.

This issue has been resolved. From 9:50pm PT / 04:50 UTC through 00:36am PT / 07:36 UTC, users saw elevated errors on requests to Claude models, including Claude Opus 5 and Fable 5.

At this time, we have seen errors stabilize on Opus 5 and Fable 5, and are working to fully resolve success rates on all affected models. We will provide an update as soon as possible.

We are continuing to work to resolve issues causing elevated requests on multiple models. We will provide an update as soon as possible.

We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and other Claude models and are working on a fix. We will provide an update as soon as possible.

We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8. We will provide an update as soon as possible.

This issue has been resolved.

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

This issue has been resolved.

We are investigating elevated errors affecting Google connectors (Sheets, Docs, Slides, and Chat) and custom Google integrations on Claude.ai. Core functionality is not affected. We will provide an update as soon as possible.

This incident has been resolved.

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

We have identified the cause of elevated errors on requests to Claude Opus 5 and Claude Haiku 4.5 and are working on a fix. We will provide an update as soon as possible.

The issue affecting Claude Opus 5 has been resolved. Impact occurred from 16:11 to 18:23 UTC.

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

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

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

We are investigating reports of degraded performance affecting multiple models. We will provide an update as soon as possible.

This incident has been resolved.

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

Claude Opus 5 is operational. Claude Sonnet 5 is degraded. We are investigating.

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

The issue affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork has been resolved.

A fix has been deployed for the issue affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork and we are monitoring for recovery.

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.

We are investigating an issue with users authenticating to claude.ai, Claude Code, and Claude Cowork. We will provide an update as soon as possible.

The issue affecting Claude services has been resolved. Impact occurred from 20:00 Aug 14, 2026 to 00:11 Aug 15 , 2026 UTC.

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

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.

We have identified the cause of elevated errors on requests to Claude Fable 5 and are working on a fix. We will provide an update as soon as possible.

The issue affecting the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 20:14 to 20:38 UTC.

A fix has been deployed for the issue affecting the Claude API, Claude Code, and Claude Cowork and we are monitoring for recovery.

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

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

The issue resulting in users being unable to reach status.claude.com has been resolved.

We are aware of issues with reaching status.claude.com, specifically regarding an invalid certificate issues. We are working to resolve these issues as soon as possible.

This incident has been resolved.

We are currently investigating this issue.

This incident has been resolved.

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

We are currently investigating this issue.

This issue has been resolved.

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. To regain immediate access to Claude for Microsoft 365, install the add-in here: https://marketplace.microsoft.com/en-us/product/office/wa200010725

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

This incident has been resolved.

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

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.

This incident has been resolved.

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.

This incident has been resolved.

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

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

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

We are currently investigating this issue.

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

We are currently investigating this issue.

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

We are currently investigating this issue.

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

Haiku 4.5 is also returning errors.

We are currently investigating this issue.

We are continuing to investigate this issue.

We are currently investigating this issue.

This issue has been resolved.

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 ensure no further issues.

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 update as soon as possible.

We have identified an issue resulting in elevated errors across multiple models, and are working to resolve this. We will provide an update as soon as possible.

We are currently investigating this issue.

This incident has been resolved.

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

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

As of 01:33 PT / 08:33 UTC we are back to errors across all models.

As of 8:05 UTC / 1:05 PT, Sonnet 5 errors are back to baseline, but we're seeing an increased error rate on Fable 5.

As of 7:32 UTC / 0:32 PT, Opus 5 errors are back to baseline but we're seeing again Sonnet 5's errors up.

All models except Opus 5 have recovered. We're working to recover Opus 5 as well.

We are currently investigating this issue.

This incident has been resolved.

We are currently investigating this issue.

This incident has been resolved.

We are currently investigating this issue.

This incident has been resolved.

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

We are currently investigating this issue.

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

We are currently investigating this issue.

This incident has been resolved.

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

We are currently investigating this issue.

This incident has been resolved.

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

We are currently investigating this issue.

This issue has been resolved.

We have identified an issue which resulted in some users experiencing issues when attempting to log into Anthropic services, including Claude.ai and Claude Code via oAuth. Additionally, some users saw errors when making requests to models. At this time, we have seen success rates recover and are monitoring closely to ensure there are no further issues.

We are currently investigating this issue.

This incident has been resolved.

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

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

We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Opus 5, Claude Sonnet 5 and are working on a fix. We will provide an update as soon as possible.

This incident has been resolved.

We have identified the cause of elevated errors on requests to Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.

This issue has been resolved.

We are continuing to work to resolve an issue resulting in slightly elevated errors on requests to Claude Fable 5. We will provide an update as soon as possible.

We have identified an issue which resulted in errors across multiple models. At this time, errors are primarily impacting Claude Fable 5 and we are working to fully resolve these issues.

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

The issue affecting Claude Mythos 5 and Claude Fable 5 has been resolved.

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

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

The issue affecting Claude services has been resolved. Impact occurred from 23:42 to 00:50 UTC.

We are investigating degraded performance in Claude Code on the Web sessions and related products (Cowork Remote, Routines, Claude Code Mobile)