Service comparison

Claude vs. DeepSeek

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

Last 90 days · 144 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

Claude

claude.ai

Major outage
- 90-day uptime
  
  68.87%
- Incidents (90d)
  
  141
  
  43 major · 98 minor
- Median resolution
  
  57m
- Longest outage
  
  450h 35m
View status page →
DeepSeek

deepseek.com

Online
- 90-day uptime
  
  99.96%
- Incidents (90d)
  
  3
  
  2 major · 1 minor
- Median resolution
  
  11m
- Longest outage
  
  33m
View status page →

Uptime over time

Availability across windows

Window	Claude	DeepSeek	Δ
Last 24 hours	88.47%	100.00%	-11.53 pp
Last 7 days	75.41%	100.00%	-24.59 pp
Last 30 days	76.81%	100.00%	-23.19 pp
Last 90 days	68.87%	99.96%	-31.09 pp

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

Incidents 90-day

Severity breakdown

Claude

141 total

43 major 98 minor
- Median resolution
  
  57m
- Longest outage
  
  450h 35m
DeepSeek

3 total

2 major 1 minor
- Median resolution
  
  11m
- Longest outage
  
  33m

Recent activity

Last 5 incidents, side-by-side

Claude
- Jul 30
  
  Elevated errors across many models
  
  Ongoing
  
  Major
- Jul 29
  
  Elevated errors across all models
  
  2h 46m
  
  Major
- Jul 27
  
  Elevated errors on Claude Opus 5 and Haiku 4.5
  
  56m
  
  Minor
- Jul 27
  
  Elevated errors on Claude Opus 5
  
  1h 2m
  
  Minor
- Jul 27
  
  Elevated errors on Claude Opus 5
  
  48m
  
  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 68.87% vs. 99.96% for DeepSeek (Δ -31.09 pp). Incidents: 141 vs. 3 (+138).

Also compare

Other Claude comparisons

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