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sevanalysis

Anthropic (Claude)

AI. Source: Anthropic (Claude) status page.

History starts 2026-07-27 11:27 UTC, the oldest incident this status page still shows. Figures for the last 90 days cover only the part since then.

Incidents, last 90 days
51+
Median to mitigation
45m
Median to resolution
1h 7m
p95 to resolution
7h 9m
Naming an upstream provider
0%
With a postmortem on the status page
0%

What failed, last 90 days

The text does not say enough to tell35
Login, tokens, certificates or credentials failed6
Data delayed, stale, lost or corrupted, or needing replay after recovery4
A provider or third-party service this vendor depends on failed3
A configuration change caused the failure1
A zone, region or data center became unavailable1

Tagged by claude-haiku-5-5 from each incident's updates. See the methodology.

Incidents per month

Hatched months are before the recorded history starts.

All recorded incidents

Degraded performance for Claude Fable 5 minor 2026-10-21 19:49 UTC open

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

  1. investigating

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Issue with spend limits none 2026-10-07 21:23 UTC 0m

Failure mode: A configuration change caused the failure. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors on platform.claude.com major 2026-10-07 13:25 UTC 6d 4h

Affected: Claude Console (platform.claude.com)

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  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. investigating

    We are continuing to work on elevated errors affecting usage data on the platform.claude.com Usage and Rate limits pages and the Admin API usage report. A mitigation for the Usage page and the Admin API usage report is rolling out; once it is in place, the most recent usage may...

  3. 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.

  4. 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...

  5. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors loading usage data on platform.claude.com major 2026-10-07 01:20 UTC 1h 13m

Affected: Claude Console (platform.claude.com)

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors for Claude Opus 5.5 major 2026-10-06 12:24 UTC 18m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

Knock-on incidents at other vendors that started during this one and name Anthropic (Claude):

  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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 major 2026-10-05 13:05 UTC 16m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Delayed credits on the Claude Platform minor 2026-10-01 16:20 UTC 6h 16m

Affected: Claude Console (platform.claude.com), Claude API (api.anthropic.com)

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API major 2026-09-29 14:21 UTC 2h 6m

Affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: Login, tokens, certificates or credentials failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  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...

  2. investigating

    We are investigating elevated error rates affecting Claude.ai (including the desktop and mobile apps), Claude Code and Claude Cowork. Some requests to the Claude API are also returning errors. We will provide an update as soon as possible.

  3. investigating

    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.

  4. investigating

    We have applied a mitigation and error rates have dropped substantially. Some sign-in attempts, account actions and Claude Code and Cowork sessions are still failing. We are continuing to work on a full fix.

  5. investigating

    The errors that began at 14:00 UTC were mitigated at 14:36 UTC, and existing conversations are mostly working again. A second issue is preventing many users from signing in (single sign-on and Sign in with Apple are unavailable), starting new chats, voice conversations and...

  6. 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...

  7. monitoring

    All services have been operating normally since 14:59 UTC. We are continuing to monitor.

  8. 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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors for multiple models major 2026-09-22 00:57 UTC 1h 38m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  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. identified

    We are continuing to work to resolve errors affecting some models. At this time, requests to Claude Fable 5 and 5.1 and Mythos 5 and 5.1 have returned to normal success rates. We are working to resolve remaining errors affecting Claude Opus 5, and will provide an additional...

  4. monitoring

    We have seen success rates return to normal across affected models, and are monitoring closely to ensure no further issues.

  5. resolved

    This issue has been resolved. Impact occurred from 5:50pm PT / 00:50 UTC to 7:10pm PT / 02:10 UTC.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Issues with Google Play subscriptions none 2026-09-16 16:18 UTC 33m

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

  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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1 major 2026-09-15 09:48 UTC 1h 26m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  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. 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.

  3. 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.

  4. 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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 major 2026-09-11 14:19 UTC 17m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  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. monitoring

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

  5. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated latency on the Claude API for some users minor 2026-09-10 21:43 UTC 1h 41m

Affected: Claude API (api.anthropic.com), Claude Cowork

Failure mode: A zone, region or data center became unavailable. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded functionality for Claude Cowork on Windows major 2026-09-10 15:54 UTC 4d 3h

Affected: Claude Cowork

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

  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...

  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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors for multiple models major 2026-09-03 13:26 UTC 2h 57m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

Knock-on incidents at other vendors that started during this one and name Anthropic (Claude):

  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. identified

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

  4. identified

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

  5. identified

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

  6. monitoring

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

  7. resolved

    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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors for Claude Sonnet 5 major 2026-09-03 12:37 UTC 19m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

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

  2. monitoring

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

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors for Claude Sonnet 5 major 2026-09-02 21:17 UTC 26m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

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

  2. resolved

    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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Delays in credit purchases minor 2026-09-01 23:26 UTC 1h 58m

Affected: Claude Console (platform.claude.com)

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

Knock-on incidents at other vendors that started during this one and name Anthropic (Claude):

  1. monitoring

    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...

  2. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance on platform.claude.com and Claude for Microsoft Office 365 minor 2026-09-01 17:05 UTC 1h 2m

Affected: claude.ai, Claude Console (platform.claude.com)

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    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.

  2. monitoring

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

  3. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance on Claude for Microsoft Office 365 minor 2026-09-01 16:02 UTC 20m

Affected: claude.ai

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

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

  2. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance on claude.ai and Claude Code minor 2026-08-31 19:21 UTC 1h 14m

Affected: claude.ai, Claude Code

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    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.

  2. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance on claude.ai minor 2026-08-31 17:23 UTC 29m

Affected: claude.ai

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

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

  2. monitoring

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

  3. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors on Claude Code and Claude Cowork major 2026-08-28 17:22 UTC 2h 59m

Affected: Claude Code, Claude Cowork

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

  1. identified

    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...

  2. monitoring

    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

  3. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Issues logging into Claude.ai minor 2026-08-24 20:11 UTC 15m

Affected: claude.ai, Claude Code, Claude Cowork

Failure mode: Login, tokens, certificates or credentials failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

Knock-on incidents at other vendors that started during this one and name Anthropic (Claude):

  1. monitoring

    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...

  2. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Errors logging into Claude.ai minor 2026-08-24 17:12 UTC 3m

Affected: claude.ai

Failure mode: Login, tokens, certificates or credentials failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    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...

  2. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors for multiple models major 2026-08-24 05:06 UTC 3h 24m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

Knock-on incidents at other vendors that started during this one and name Anthropic (Claude):

  1. investigating

    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.

  2. identified

    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.

  3. identified

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

  4. identified

    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.

  5. resolved

    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.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors on requests to multiple models major 2026-08-20 19:16 UTC 26m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

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

  2. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors on Google connectors minor 2026-08-20 18:32 UTC 29m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    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.

  2. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance for Claude Opus 5 and Claude Haiku 4.5 minor 2026-08-19 09:42 UTC 1h 20m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. identified

    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.

  2. monitoring

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

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance for multiple models minor 2026-08-18 16:20 UTC 2h 41m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

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

  2. investigating

    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.

  3. investigating

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

  4. monitoring

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

  5. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance for Claude Opus 5, Claude Sonnet 5 minor 2026-08-17 13:56 UTC 1h 33m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

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

  2. investigating

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

  3. monitoring

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

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Service disruption on Claude services critical 2026-08-16 21:58 UTC 36m

Affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: Login, tokens, certificates or credentials failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    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.

  2. investigating

    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.

  3. monitoring

    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.

  4. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors for Claude Fable 5 major 2026-08-14 23:57 UTC 30m

Affected: claude.ai

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. identified

    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.

  2. identified

    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.

  3. identified

    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.

  4. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Service disruption on Claude services major 2026-08-14 20:30 UTC 1h 28m

Affected: Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    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.

  2. identified

    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.

  3. monitoring

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

  4. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Issues reaching status.claude.com none 2026-08-14 07:58 UTC 2h 55m

Failure mode: Login, tokens, certificates or credentials failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    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.

  2. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Service disruption on Claude Code on the web and related services minor 2026-08-14 00:36 UTC 15m

Affected: Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

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

  2. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5 major 2026-08-13 14:33 UTC 1h 35m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    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.

  2. investigating

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

  3. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance for multiple models minor 2026-08-12 13:50 UTC 4h 17m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

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

  2. identified

    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.

  3. identified

    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.

  4. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance for Claude Opus 5 minor 2026-08-05 13:51 UTC 43m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. identified

    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.

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance of multiple models minor 2026-08-05 07:05 UTC 7h 9m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. identified

    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.

  2. identified

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

  3. monitoring

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

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors across many models major 2026-08-04 20:48 UTC 1h 11m

Failure mode: Login, tokens, certificates or credentials failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

Knock-on incidents at other vendors that started during this one and name Anthropic (Claude):

  1. investigating

    We are currently investigating this issue.

  2. investigating

    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...

  3. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors on Claude Sonnet 5 minor 2026-08-04 11:27 UTC 25m

Affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. monitoring

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

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors on Claude Sonnet 5 minor 2026-08-04 06:16 UTC 39m

Affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. monitoring

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

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance on Claude Sonnet 5 minor 2026-08-03 15:13 UTC 15m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Error rates across multiple models minor 2026-08-03 12:52 UTC 1h 24m

Affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. monitoring

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

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance on Claude Sonnet 5 minor 2026-07-31 06:18 UTC 47m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Degraded performance on Claude Opus 4.8 minor 2026-07-30 13:43 UTC 41m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors across many models major 2026-07-30 05:57 UTC 4h 51m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. identified

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

  3. identified

    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.

  4. identified

    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.

  5. identified

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

  6. monitoring

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

  7. monitoring

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

  8. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors across all models critical 2026-07-29 19:49 UTC 2h 47m

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. identified

    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.

  3. 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 update as soon as possible.

  4. 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 ensure no further issues.

  5. resolved

    This issue has been resolved.

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors on Claude Opus 5 and Haiku 4.5 minor 2026-07-27 13:39 UTC 57m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. investigating

    We are continuing to investigate this issue.

  3. investigating

    We are currently investigating this issue.

  4. investigating

    Haiku 4.5 is also returning errors.

  5. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.

Elevated errors on Claude Opus 5 minor 2026-07-27 11:27 UTC 1h 3m

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. resolved

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

Excerpts are shortened. Read the full incident on Anthropic (Claude)'s status page.