Service comparison

Claude vs. DeepSeek

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

Last 90 days · 97 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

Claude

claude.ai

Online
- 90-day uptime
  
  95.42%
- Incidents (90d)
  
  85
  
  30 major · 55 minor
- Median resolution
  
  44m
- Longest outage
  
  18h 3m
View status page →
DeepSeek

deepseek.com

Online
- 90-day uptime
  
  99.04%
- Incidents (90d)
  
  12
  
  8 major · 4 minor
- Median resolution
  
  54m
- Longest outage
  
  10h 13m
View status page →

Uptime over time

Availability across windows

Window	Claude	DeepSeek	Δ
Last 24 hours	100.00%	100.00%	0.00 pp
Last 7 days	95.32%	100.00%	-4.68 pp
Last 30 days	92.04%	99.88%	-7.84 pp
Last 90 days	95.42%	99.04%	-3.62 pp

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

Incidents 90-day

Severity breakdown

Claude

85 total

30 major 55 minor
- Median resolution
  
  44m
- Longest outage
  
  18h 3m
DeepSeek

12 total

8 major 4 minor
- Median resolution
  
  54m
- Longest outage
  
  10h 13m

Recent activity

Last 5 incidents, side-by-side

Claude
- May 29
  
  Elevated errors for Claude Opus 4.8
  
  36m
  
  Major
- May 29
  
  Elevated errors on Claude Opus 4.8
  
  15m
  
  Minor
- May 28
  
  Billing and subscription management issues
  
  19m
  
  Minor
- May 28
  
  Elevated errors on Claude Opus 4.7
  
  39m
  
  Major
- May 27
  
  Elevated errors on Claude Opus 4.7
  
  1h 37m
  
  Major
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 95.42% vs. 99.04% for DeepSeek (Δ -3.62 pp). Incidents: 85 vs. 12 (+73).

Also compare

Other Claude comparisons

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