Official incident history

  1. Elevated errors for Claude Fable 5.1

    Started: · Duration: 32 min
    Provider updates (4)
    1. Investigating “We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible.”
    2. Identified “We have identified the cause of elevated errors on requests to Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.”
    3. Monitoring “A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.”
    4. Resolved “The issue affecting Claude services has been resolved. Impact occurred from 01:08 PT / 08:08 UTC to 01:29 PT / 08:29 UTC.”
    Resolved
  2. Elevated errors for Claude Sonnet 5.5 and other models

    Started: · Duration: 99 min
    Provider updates (4)
    1. Investigating “We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5, and Claude Haiku 5.5. We will provide an update as soon as possible.”
    2. Identified “We have identified the cause of elevated errors on requests to Claude Sonnet 5.5 and are working on a fix. We will provide an update as soon as possible.”
    3. Monitoring “A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.”
    4. Resolved “The issue affecting Claude services has been resolved. Impact occurred from 23:05 PT on October 24 / 06:05 UTC on October 25 to 23:35 PT on October 24 / 06:35 UTC on October 25.”
    Resolved
  3. Elevated errors for Claude Fable 5 and Claude Fable 5.1

    Started: · Duration: 37 min
    Provider updates (4)
    1. Investigating “We are investigating elevated errors on requests to other Claude models. We will provide an update as soon as possible.”
    2. Identified “We have identified the cause of elevated errors on requests to other Claude models and are working on a fix. We will provide an update as soon as possible.”
    3. Monitoring “A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.”
    4. Resolved “The issue affecting Claude services has been resolved. Impact occurred from 22:00 PT on October 23 / 05:00 UTC on October 24 to 22:35 PT on October 23 / 05:35 UTC on October 24.”
    Resolved
  4. Elevated errors for Claude Opus 5.5

    Started: · Duration: 6 min
    Provider updates (2)
    1. Investigating “We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.”
    2. Resolved “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.”
    Resolved
  5. Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5

    Started: · Duration: 34 min
    Provider updates (4)
    1. Investigating “We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible.”
    2. Identified “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 “We are seeing success rates return to normal for all affected models, and are continuing to monitor to ensure no further issues.”
    4. Resolved “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.”
    Resolved
  6. Elevated errors affecting Connectors

    Started: · Duration: 257 min
    Provider updates (3)
    1. Investigating “We are investigating elevated errors affecting connectors. We will provide an update as soon as possible.”
    2. Monitoring “A fix has been deployed for the issue affecting claude.ai and Claude Cowork and we are monitoring for recovery.”
    3. Resolved “The issue affecting claude.ai and Claude Cowork has been resolved.”
    Resolved
  7. Degraded performance for Claude Fable 5

    Started: · Duration: 40 min
    Provider updates (2)
    1. Investigating “We are investigating elevated errors on requests to Claude Fable 5. We will provide an update as soon as possible.”
    2. Resolved “The issue affecting other Claude models has been resolved.”
    Resolved
  8. Elevated errors on platform.claude.com

    Started: · Duration: 8915 min
    Provider updates (4)
    1. Investigating “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. Identified “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.”
    3. Monitoring “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.”
    4. Resolved “This issue has been resolved.”
    Resolved
  9. Issue with spend limits

    Started: · Duration: 0 min
    Provider updates (1)
    1. Resolved “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.”
    Resolved
  10. Elevated errors loading usage data on platform.claude.com

    Started: · Duration: 73 min
    Provider updates (2)
    1. Investigating “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 “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.”
    Resolved
  11. Elevated errors for Claude Opus 5.5

    Started: · Duration: 18 min
    Provider updates (3)
    1. Investigating “We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.”
    2. Identified “We have identified the cause of elevated errors on requests to Claude Opus 5.5 and are working on a fix. We will provide an update as soon as possible.”
    3. Resolved “The issue affecting Claude Opus 5.5 has been resolved.”
    Resolved
  12. Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

    Started: · Duration: 16 min
    Provider updates (2)
    1. Investigating “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 “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.”
    Resolved
  13. Delayed credits on the Claude Platform

    Started: · Duration: 376 min
    Provider updates (3)
    1. Investigating “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 “We have resolved the issue causing delays in credits being applied after purchase. We are monitoring closely to ensure no further issues.”
    3. Resolved “This issue has been resolved.”
    Resolved
  14. Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API

    Started: · Duration: 126 min
    Provider updates (3)
    1. Investigating “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. Monitoring “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.”
    3. Resolved “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.”
    Resolved
  15. Elevated errors for multiple models

    Started: · Duration: 98 min
    Provider updates (4)
    1. Investigating “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 “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. Monitoring “We have seen success rates return to normal across affected models, and are monitoring closely to ensure no further issues.”
    4. Resolved “This issue has been resolved. Impact occurred from 5:50pm PT / 00:50 UTC to 7:10pm PT / 02:10 UTC.”
    Resolved
  16. Issues with Google Play subscriptions

    Started: · Duration: 33 min
    Provider updates (2)
    1. Identified “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 “This issue has been resolved.”
    Resolved
  17. Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1

    Started: · Duration: 86 min
    Provider updates (3)
    1. Investigating “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. Monitoring “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.”
    3. Resolved “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.”
    Resolved
  18. Degraded functionality for Claude Cowork on Windows

    Started: · Duration: 5961 min
    Provider updates (2)
    1. Identified “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…”
    2. Resolved “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”
    Resolved
  19. Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

    Started: · Duration: 17 min
    Provider updates (4)
    1. Investigating “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.”
    2. Identified “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.”
    3. Monitoring “A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring for recovery.”
    4. Resolved “The issue affecting Claude services has been resolved. Impact occurred from 13:57 to 14:20 UTC”
    Resolved
  20. Elevated latency on the Claude API for some users

    Started: · Duration: 101 min
    Provider updates (2)
    1. Identified “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 “The issue affecting Claude services has been mitigated.”
    Resolved

What the provider published about this service, with the provider's own updates (wording quoted as published).

Evidence

Official
Claude Status ↗ · All Systems Operational · Oct 26, 03:09 AM UTC
Korantix
HTTP 403 · 508 ms · Oct 26, 03:06 AM UTC

Why this assessment

  • Provider reports no active incident.
  • Korantix reached the endpoint (HTTP 403, 508 ms). This only shows that the endpoint answered.

Rule set assess-1. The same evidence always gives the same result.

Evidence and freshness

Each source separately: who says it, when it was last observed, and whether it is recent enough to be used.

SourceLast observedAgeUsed in assessment
Official3 min agoYes, recent
Korantix6 min agoYes, recent

Technical details

Affected components (provider)

The provider lists no degraded components.

Official status page ↗