Service comparison

Claude vs. DeepSeek

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

Last 90 days · 105 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

Claude

claude.ai

Major outage
- 90-day uptime
  
  86.01%
- Incidents (90d)
  
  105
  
  33 major · 72 minor
- Median resolution
  
  1h 1m
- Longest outage
  
  99h 20m
View status page →
DeepSeek

deepseek.com

Online
- 90-day uptime
  
  100.00%
- Incidents (90d)
  
  0
  
  0 major · 0 minor
- Median resolution
  
  —
- Longest outage
  
  —
View status page →

Uptime over time

Availability across windows

Window	Claude	DeepSeek	Δ
Last 24 hours	97.78%	100.00%	-2.22 pp
Last 7 days	39.70%	100.00%	-60.30 pp
Last 30 days	83.12%	100.00%	-16.88 pp
Last 90 days	86.01%	100.00%	-13.99 pp

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

Incidents 90-day

Severity breakdown

Claude

105 total

33 major 72 minor
- Median resolution
  
  1h 1m
- Longest outage
  
  99h 20m
DeepSeek

0 total

0 major 0 minor
- Median resolution
  
  —
- Longest outage
  
  —

Recent activity

Last 5 incidents, side-by-side

Claude
- Sep 16
  
  Issues with Google Play subscriptions
  
  32m
  
  Minor
- Sep 15
  
  Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1
  
  1h 26m
  
  Major
- Sep 11
  
  Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
  
  17m
  
  Major
- Sep 10
  
  Elevated latency on the Claude API for some users
  
  1h 40m
  
  Minor
- Sep 10
  
  Degraded functionality for Claude Cowork on Windows
  
  4d 3h 20m
  
  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 86.01% vs. 100.00% for DeepSeek (Δ -13.99 pp). Incidents: 105 vs. 0 (+105).

Also compare

Other Claude comparisons

Where would your uptime rank against DeepSeek?

Pulsetic is website uptime monitoring. Every number on this page came from its checks. Aim one at a website you run and build a 90-day record.

10 monitors free, email alerts on failure and recovery. No credit card.

Measure Yours