Service comparison

Claude vs. DeepSeek

Claude vs. DeepSeek — reliability, API availability, and incident frequency head-to-head.

Last 90 days · 137 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

Claude

claude.ai

Online
- 90-day uptime
  
  71.79%
- Incidents (90d)
  
  132
  
  38 major · 94 minor
- Median resolution
  
  53m
- Longest outage
  
  450h 35m
View status page →
DeepSeek

deepseek.com

Online
- 90-day uptime
  
  99.75%
- Incidents (90d)
  
  5
  
  3 major · 2 minor
- Median resolution
  
  33m
- Longest outage
  
  3h 28m
View status page →

Uptime over time

Availability across windows

Window	Claude	DeepSeek	Δ
Last 24 hours	98.47%	100.00%	-1.53 pp
Last 7 days	79.39%	100.00%	-20.61 pp
Last 30 days	31.73%	100.00%	-68.27 pp
Last 90 days	71.79%	99.75%	-27.96 pp

Δ is percentage-point difference (Claude minus DeepSeek). Higher is better.

Incidents 90-day

Severity breakdown

Claude

132 total

38 major 94 minor
- Median resolution
  
  53m
- Longest outage
  
  450h 35m
DeepSeek

5 total

3 major 2 minor
- Median resolution
  
  33m
- Longest outage
  
  3h 28m

Recent activity

Last 5 incidents, side-by-side

Claude
- Jul 9
  
  Elevated errors for Claude Opus 4.8
  
  22m
  
  Major
- Jul 8
  
  Degraded performance for Claude Code on the web, Cowork Remote, Claude Tag, and Claude Code Review sessions
  
  1h 57m
  
  Minor
- Jul 8
  
  Elevated errors on multiple models
  
  3h 4m
  
  Minor
- Jul 8
  
  Issues authorizing to MCP Servers
  
  7h
  
  Minor
- Jul 8
  
  Elevated errors on Claude Sonnet 5
  
  14m
  
  Minor
View all incidents →
DeepSeek
- May 8
  
  【已恢复】DeepSeek 网页/API不可用（[Resolved]DeepSeek Web/API Service Not Available）
  
  33m
  
  Major
- May 6
  
  【已恢复】DeepSeek 网页/API 性能异常（[Resolved]DeepSeek Web/API Service Degraded Performance）
  
  6m
  
  Minor
- May 6
  
  【已恢复】DeepSeek 网页/API 性能异常（[Resolved]DeepSeek Web/API Service Degraded Performance）
  
  11m
  
  Major
- Apr 22
  
  【已恢复】DeepSeek API 异常（[Resolved]DeepSeek API Abnormal）
  
  1h 3m
  
  Major
- Apr 20
  
  【已解决】DeepSeek Web/APP 快速模式性能异常（[Resolved]DeepSeek Web/APP Instant Mode Performance Abnormal）
  
  3h 28m
  
  Minor
View all incidents →

Bottom line

DeepSeek wins

DeepSeek edges out on 90-day uptime.

Claude posted 71.79% vs. 99.75% for DeepSeek (Δ -27.96 pp). Incidents: 132 vs. 5 (+127).

Also compare

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