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CompaniesClaudeMonthly reportsNovember 2025

Claude in November 2025: incidents, uptime and changes

26incidents posted
7labelled major or critical
97.73%free of major/critical
93.00%free of any incident
0price changes
0notable page changes

Vendor-reported outage time 16 h 18 min, incident time 2.1 days. Derived from the incidents the vendor posted on its own status page, not measured by us. A minute counts as an outage minute when a major or critical incident (as the vendor labelled it) was open; incident minutes include minor ones too. Maintenance and incidents marked "no impact" are left out, overlapping incidents are merged, a resolved incident counts for at most 7 days, and one still open with no resolution counts for at most 24 hours. Last 90 days.

By vendor label: Critical 1 · Major 6 · Minor 14 · No impact listed 5

Major and critical incidents 7

IncidentImpactStartedDurationStatusDay
Elevated errors on claude.aiCritical3.3 hresolved11-18
Issues with Claude.ai ResearchMajor3.6 hresolved11-17
Elevated errors on Sonnet 4, Sonnet 4.5 and Haiku 4.5Major3.9 hresolved11-20
Elevated error rates on the APIMajor1.1 hresolved11-23
Elevated Error Rates on the APIMajor1.1 hresolved11-25
Elevated errors for requests to Claude Opus 4.5Major2.8 hresolved11-25
Elevated errors for requests to Claude Haiku 4.5Major29 minresolved11-30

Other incidents 19

IncidentImpactStartedDurationStatusDay
Elevated errors for requests to Claude 4 SonnetMinor34 minresolved11-01
Degraded outputs quality from Haiku 4.5Minor20 hresolved11-04
Elevated errors on claude.ai/code (Claude Code on the web)Minor1 minresolved11-05
Elevated errors for requests to Claude Sonnet 4.5Minor1.6 hresolved11-07
Elevated errors for requests to Claude 4, 4.5 Sonnet and 4.5 HaikuNo impact listed27 minresolved11-07
Elevated error rates on Files APINo impact listed1.4 hresolved11-07
Elevated error rates for code execution toolMinor0 minresolved11-07
Elevated errors on Claude.aiNo impact listed40 minresolved11-11
Elevated errors on Claude.aiMinor1.9 hresolved11-11
Elevated error rates with Sonnet 4.5 and Opus 4.1No impact listed25 minresolved11-14
Elevated errors for requests to Claude 4.1 OpusMinor50 minresolved11-14
issues with Claude Code remote and claude.ai file creationMinor1.2 hresolved11-17
Elevated error rates to Sonnet 4.5 on Claude CodeMinor57 minresolved11-18
Increased error rate on Claude 4 SonnetMinor3.5 hresolved11-19
Elevated Errors on Claude CodeNo impact listed0 minresolved11-24
Model usage attribution issuesMinor1.5 hresolved11-24
Elevated errors for requests to Claude 4.5 Sonnet 1MMinor30 minresolved11-27
Elevated errors on Sonnet 4.5Minor2.3 hresolved11-30
Unable to enable extended thinking on first messageMinor23 minresolved11-30

Cite this

Claude posted 26 status incidents in November 2025 (7 major or critical); 0 price changes and 0 notable page changes observed.

Title
Claude in November 2025
Vendor
Claude
Date
URL
https://rewindex.com/company/claude/2025/11

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