Anthropic Outage History

Anthropic is up right now

Anthropic had 94 outages in the last 2 years totaling 42h 32m of downtime — averaging 3.9 incidents per month.

There were 94 Anthropic outages since March 18, 2026 totaling 42h 32m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.claude.com

Notice May 25, 2026

Elevated error rates on Opus 4.7

Detected by Pingoru
May 25, 2026, 10:32 AM UTC
Resolved
May 25, 2026, 10:39 AM UTC
Duration
6m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. monitoring May 25, 2026, 10:32 AM UTC

    We had an elevated error rate on Opus 4.7 from 6:30 UTC until 10:30 UTC

  2. resolved May 25, 2026, 10:39 AM UTC

    This incident has been resolved.

Read the full incident report →

Major May 22, 2026

Elevated error rate on multiple models

Detected by Pingoru
May 22, 2026, 04:16 AM UTC
Resolved
May 22, 2026, 08:50 AM UTC
Duration
4h 33m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 7 updates
  1. investigating May 22, 2026, 04:16 AM UTC

    We are currently investigating this issue.

  2. identified May 22, 2026, 04:40 AM UTC

    We have identified an issue resulting in elevated error rates, primarily on Claude Opus 4.7 and Sonnet 4.6. We are working to resolve these issues, and will provide additional updates as soon as possible.

  3. identified May 22, 2026, 05:25 AM UTC

    We are continuing to work to fully resolve issues impacting Claude Opus 4.7, and Sonnet 4.6. At this time, success rates on Claude Opus 4.7 have stabilized. We will provide additional updates shortly.

  4. monitoring May 22, 2026, 05:53 AM UTC

    We have seen success rates on Claude Opus 4.7 and Sonnet 4.6 return to normal. We are monitoring closely to ensure no further issues, and will provide an additional update shortly.

  5. monitoring May 22, 2026, 06:17 AM UTC

    We are currently working to resolve some additional errors impacting Claude Opus 4.7 and Haiku 4.5, we will provide an additional update shortly.

  6. monitoring May 22, 2026, 06:32 AM UTC

    We are monitoring recovery on Claude Opus 4.7, and working to fully resolve remaining errors impacting Haiku 4.5. We will provide additional updates shortly.

  7. resolved May 22, 2026, 08:50 AM UTC

    This issue has been resolved.

Read the full incident report →

Minor May 21, 2026

Elevated errors on Claude.ai

Detected by Pingoru
May 21, 2026, 08:24 PM UTC
Resolved
May 21, 2026, 09:08 PM UTC
Duration
44m
Affected: claude.ai
Timeline · 3 updates
  1. investigating May 21, 2026, 08:24 PM UTC

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

  2. monitoring May 21, 2026, 08:42 PM UTC

    We have applied a fix and success rates for requests on Claude.ai have returned to normal. We are monitoring closely to ensure no further issues.

  3. resolved May 21, 2026, 09:08 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor May 19, 2026

Elevated errors on Claude.ai and Claude Code login

Detected by Pingoru
May 19, 2026, 04:46 AM UTC
Resolved
May 19, 2026, 04:51 AM UTC
Duration
5m
Affected: claude.aiClaude Code
Timeline · 2 updates
  1. monitoring May 19, 2026, 04:46 AM UTC

    From 04:34–04:42 UTC, we saw elevated errors and latency on requests within the Claude.ai applications. Additionally, users may have experienced errors when attempting to login, including authenticating Claude Code via Claude.ai. We are monitoring closely to ensure no further issues, and will provide an additional update shortly.

  2. resolved May 19, 2026, 04:51 AM UTC

    This issue has been resolved.

Read the full incident report →

Major May 16, 2026

Elevated error rates on requests to multiple models

Detected by Pingoru
May 16, 2026, 06:08 PM UTC
Resolved
May 16, 2026, 06:24 PM UTC
Duration
15m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating May 16, 2026, 06:08 PM UTC

    We are currently investigating this issue.

  2. monitoring May 16, 2026, 06:18 PM UTC

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

  3. resolved May 16, 2026, 06:24 PM UTC

    This incident has been resolved.

Read the full incident report →

Major May 15, 2026

Elevated error rates on requests to some models

Detected by Pingoru
May 15, 2026, 12:18 AM UTC
Resolved
May 15, 2026, 01:46 AM UTC
Duration
1h 28m
Affected: Claude API (api.anthropic.com)Claude Code
Timeline · 5 updates
  1. investigating May 15, 2026, 12:18 AM UTC

    We are currently investigating this issue.

  2. investigating May 15, 2026, 12:19 AM UTC

    We are continuing to investigate this issue.

  3. identified May 15, 2026, 01:06 AM UTC

    We are currently working to resolve issues affecting requests to Claude Opus and Sonnet 4.6, though success rates for Opus 4.7 have returned to normal.

  4. identified May 15, 2026, 01:26 AM UTC

    We are working to resolve errors impacting Claude Opus 4.6, and have seen both Sonnet 4.6 and Opus 4.7 return to normal success rates.

  5. resolved May 15, 2026, 01:46 AM UTC

    This incident has been resolved.

Read the full incident report →

Major May 13, 2026

Claude.ai is experiencing elevated error rates

Detected by Pingoru
May 13, 2026, 12:21 PM UTC
Resolved
May 13, 2026, 02:45 PM UTC
Duration
2h 23m
Affected: claude.aiClaude Code
Timeline · 3 updates
  1. investigating May 13, 2026, 12:21 PM UTC

    We are currently investigating this issue.

  2. investigating May 13, 2026, 12:59 PM UTC

    We are continuing to investigate this issue.

  3. resolved May 13, 2026, 02:45 PM UTC

    This incident has been resolved.

Read the full incident report →

Major May 12, 2026

Elevated errors for Claude Sonnet 4.6 and Haiku 4.5

Detected by Pingoru
May 12, 2026, 07:36 PM UTC
Resolved
May 12, 2026, 08:13 PM UTC
Duration
36m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating May 12, 2026, 07:36 PM UTC

    We are investigating elevated errors on requests to Claude Sonnet 4.6. We will provide an update as soon as possible.

  2. resolved May 12, 2026, 08:13 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor May 12, 2026

Elevated Error Rate for Vaults and Credentials

Detected by Pingoru
May 12, 2026, 06:47 PM UTC
Resolved
May 12, 2026, 06:57 PM UTC
Duration
10m
Affected: Claude Console (platform.claude.com)
Timeline · 3 updates
  1. investigating May 12, 2026, 06:47 PM UTC

    We are currently investigating this issue.

  2. monitoring May 12, 2026, 06:51 PM UTC

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

  3. resolved May 12, 2026, 06:57 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor May 9, 2026

Claude Code on the Web Partial Outage

Detected by Pingoru
May 09, 2026, 11:33 PM UTC
Resolved
May 09, 2026, 11:51 PM UTC
Duration
17m
Affected: Claude Code
Timeline · 2 updates
  1. investigating May 09, 2026, 11:33 PM UTC

    We are currently investigating this issue.

  2. resolved May 09, 2026, 11:51 PM UTC

    This incident has been resolved

Read the full incident report →

Minor May 9, 2026

Elevated errors on Claude Opus 4.1

Detected by Pingoru
May 09, 2026, 07:57 AM UTC
Resolved
May 09, 2026, 08:22 AM UTC
Duration
25m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 2 updates
  1. identified May 09, 2026, 07:57 AM UTC

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

  2. resolved May 09, 2026, 08:22 AM UTC

    This incident has been resolved.

Read the full incident report →

Major May 8, 2026

Claude Code IDE extension unable to load on Windows

Detected by Pingoru
May 08, 2026, 10:30 PM UTC
Resolved
May 09, 2026, 12:24 AM UTC
Duration
1h 53m
Affected: Claude Code
Timeline · 4 updates
  1. investigating May 08, 2026, 10:30 PM UTC

    We are investigating an issue in Claude Code version 2.1.136 that prevents the IDE extension from loading on Windows. We will provide an update as soon as possible.

  2. identified May 08, 2026, 10:32 PM UTC

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

  3. monitoring May 09, 2026, 12:17 AM UTC

    A fix has been implemented and published in v2.1.137. We are monitoring results.

  4. resolved May 09, 2026, 12:24 AM UTC

    This incident has been resolved in v2.1.137. Please update to get the fix.

Read the full incident report →

Minor May 8, 2026

Elevated Errors on File Operations

Detected by Pingoru
May 08, 2026, 02:12 PM UTC
Resolved
May 08, 2026, 03:17 PM UTC
Duration
1h 4m
Affected: claude.aiClaude API (api.anthropic.com)
Timeline · 2 updates
  1. investigating May 08, 2026, 02:12 PM UTC

    We are currently investigating this issue.

  2. resolved May 08, 2026, 03:17 PM UTC

    This incident has been resolved.

Read the full incident report →

Major May 8, 2026

Elevated errors across Claude Models

Detected by Pingoru
May 08, 2026, 09:49 AM UTC
Resolved
May 08, 2026, 11:40 AM UTC
Duration
1h 51m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 4 updates
  1. investigating May 08, 2026, 09:49 AM UTC

    We are currently investigating this issue.

  2. identified May 08, 2026, 10:26 AM UTC

    We have identified the cause and a fix is being rolled out. As of 10:22 UTC, the remaining impact is limited to Claude Opus 4.1 and Fast Mode for Claude Opus 4.6.

  3. monitoring May 08, 2026, 11:32 AM UTC

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

  4. resolved May 08, 2026, 11:40 AM UTC

    This incident has been resolved.

Read the full incident report →

Major May 6, 2026

Connection failures for organizations restricting GitHub access by IP address

Detected by Pingoru
May 06, 2026, 10:32 PM UTC
Resolved
May 07, 2026, 04:36 PM UTC
Duration
18h 3m
Affected: claude.aiClaude Code
Timeline · 3 updates
  1. identified May 06, 2026, 10:32 PM UTC

    We have identified an issue affecting organizations that restrict GitHub access by source IP address. A recent infrastructure change altered the IP addresses Anthropic uses for outbound connections to GitHub, which may cause Claude Code remote sessions, GitHub Enterprise plugin syncing, and Claude Security to fail. We are reverting the change to restore the previous IP ranges; no allowlist changes will be needed on your side. We will post an update once the fix is deployed.

  2. monitoring May 07, 2026, 03:17 PM UTC

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

  3. resolved May 07, 2026, 04:36 PM UTC

    This incident has been resolved.

Read the full incident report →

Major May 6, 2026

Elevated errors across multiple models

Detected by Pingoru
May 06, 2026, 03:29 PM UTC
Resolved
May 06, 2026, 04:51 PM UTC
Duration
1h 22m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 4 updates
  1. investigating May 06, 2026, 03:29 PM UTC

    We are currently investigating this issue.

  2. identified May 06, 2026, 03:54 PM UTC

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

  3. monitoring May 06, 2026, 04:32 PM UTC

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

  4. resolved May 06, 2026, 04:51 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor May 4, 2026

Elevated errors on Claude Opus 4.5 and Sonnet 4.5

Detected by Pingoru
May 04, 2026, 01:59 PM UTC
Resolved
May 04, 2026, 02:45 PM UTC
Duration
46m
Affected: claude.aiClaude API (api.anthropic.com)Claude Code
Timeline · 4 updates
  1. investigating May 04, 2026, 01:59 PM UTC

    We are currently investigating this issue.

  2. identified May 04, 2026, 02:08 PM UTC

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

  3. monitoring May 04, 2026, 02:27 PM UTC

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

  4. resolved May 04, 2026, 02:45 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor May 4, 2026

Elevated errors on Claude Opus 4.5

Detected by Pingoru
May 04, 2026, 08:09 AM UTC
Resolved
May 04, 2026, 09:49 AM UTC
Duration
1h 39m
Affected: claude.aiClaude API (api.anthropic.com)Claude Code
Timeline · 6 updates
  1. investigating May 04, 2026, 08:09 AM UTC

    We are currently investigating this issue.

  2. investigating May 04, 2026, 08:09 AM UTC

    We are continuing to investigate this issue.

  3. identified May 04, 2026, 08:19 AM UTC

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

  4. identified May 04, 2026, 09:14 AM UTC

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

  5. monitoring May 04, 2026, 09:23 AM UTC

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

  6. resolved May 04, 2026, 09:49 AM UTC

    This incident has been resolved.

Read the full incident report →

Critical April 30, 2026

claude.ai and API unavailable

Detected by Pingoru
Apr 30, 2026, 01:20 AM UTC
Resolved
Apr 30, 2026, 01:51 AM UTC
Duration
30m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 3 updates
  1. investigating Apr 30, 2026, 01:20 AM UTC

    We are currently investigating this issue.

  2. monitoring Apr 30, 2026, 01:34 AM UTC

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

  3. resolved Apr 30, 2026, 01:51 AM UTC

    This incident has been resolved.

Read the full incident report →

Major April 28, 2026

Claude.ai unavailable and elevated errors on the API

Detected by Pingoru
Apr 28, 2026, 05:41 PM UTC
Resolved
Apr 28, 2026, 07:15 PM UTC
Duration
1h 33m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 5 updates
  1. investigating Apr 28, 2026, 05:41 PM UTC

    We are investigating an issue preventing users from reaching Claude.ai, and will provide an update as soon as possible.

  2. identified Apr 28, 2026, 05:51 PM UTC

    We have identified an issue resulting in elevated errors on the Anthropic API, as well as issues accessing Claude.ai, including log-in paths for Claude Code. We are working to resolve these issues, and will provide an update as soon as possible.

  3. identified Apr 28, 2026, 06:33 PM UTC

    We are continuing to work to resolve the issues preventing users from accessing Claude.ai, and causing elevated authentication errors for requests to the API and Claude Code.

  4. monitoring Apr 28, 2026, 06:59 PM UTC

    We are seeing success rates across all services return to normal, and are monitoring closely to prevent any further issues. Impact occurred from 17:34–18:52 UTC.

  5. resolved Apr 28, 2026, 07:15 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 28, 2026

Elevated errors on Claude Sonnet 4.5

Detected by Pingoru
Apr 28, 2026, 01:29 PM UTC
Resolved
Apr 28, 2026, 01:50 PM UTC
Duration
20m
Affected: Claude API (api.anthropic.com)
Timeline · 2 updates
  1. investigating Apr 28, 2026, 01:29 PM UTC

    We are currently investigating this issue.

  2. resolved Apr 28, 2026, 01:50 PM UTC

    The incident has now been resolved. The timeline for the elevated errors was 6:22 PT / 13:22 UTC -> 6:39 PT / 13:39 UTC.

Read the full incident report →

Notice April 27, 2026

Elevated billing related errors on Claude.ai

Detected by Pingoru
Apr 27, 2026, 02:11 PM UTC
Resolved
Apr 27, 2026, 03:18 PM UTC
Duration
1h 7m
Affected: claude.ai
Timeline · 2 updates
  1. investigating Apr 27, 2026, 02:11 PM UTC

    We are currently investigating this issue.

  2. resolved Apr 27, 2026, 03:18 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 25, 2026

Claude Code v2.1.120 Crashes on Startup

Detected by Pingoru
Apr 25, 2026, 01:45 AM UTC
Resolved
Apr 25, 2026, 02:35 AM UTC
Duration
50m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 2 updates
  1. monitoring Apr 25, 2026, 01:45 AM UTC

    We have identified an issue in Claude Code version 2.1.120 that causes a crash when resuming a prior session via the --resume or --continue flags. Auto-update will move affected clients back to 2.1.119 on next check, but you can always run `claude install 2.1.119`.

  2. resolved Apr 25, 2026, 02:35 AM UTC

    This incident has been resolved.

Read the full incident report →