Service comparison

Claude vs. DeepSeek

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

Last 90 days · 128 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

Claude

claude.ai

Major outage
- 90-day uptime
  
  93.27%
- Incidents (90d)
  
  119
  
  37 major · 82 minor
- Median resolution
  
  50m
- Longest outage
  
  18h 3m
View status page →
DeepSeek

deepseek.com

Online
- 90-day uptime
  
  99.14%
- Incidents (90d)
  
  9
  
  6 major · 3 minor
- Median resolution
  
  1h 3m
- Longest outage
  
  10h 13m
View status page →

Uptime over time

Availability across windows

Window	Claude	DeepSeek	Δ
Last 24 hours	89.51%	100.00%	-10.49 pp
Last 7 days	91.86%	100.00%	-8.14 pp
Last 30 days	90.86%	100.00%	-9.14 pp
Last 90 days	93.27%	99.14%	-5.87 pp

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

Incidents 90-day

Severity breakdown

Claude

119 total

37 major 82 minor
- Median resolution
  
  50m
- Longest outage
  
  18h 3m
DeepSeek

9 total

6 major 3 minor
- Median resolution
  
  1h 3m
- Longest outage
  
  10h 13m

Recent activity

Last 5 incidents, side-by-side

Claude
- Jun 17
  
  Elevated errors for Claude Opus 4.8
  
  53m
  
  Minor
- Jun 17
  
  Elevated errors for Claude Opus 4.8
  
  1h 38m
  
  Minor
- Jun 17
  
  Elevated errors for Claude Opus 4.8
  
  1h 29m
  
  Minor
- Jun 17
  
  Elevated errors on Claude Sonnet 4.6 and Opus 4.8
  
  2h 3m
  
  Minor
- Jun 16
  
  Elevated errors for Claude Opus 4.8
  
  1h 12m
  
  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 93.27% vs. 99.14% for DeepSeek (Δ -5.87 pp). Incidents: 119 vs. 9 (+110).

Also compare

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