Service comparison

DeepSeek vs. ChatGPT

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

Last 90 days · 53 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

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 →
ChatGPT

chatgpt.com

Online
- 90-day uptime
  
  87.26%
- Incidents (90d)
  
  41
  
  4 major · 37 minor
- Median resolution
  
  1h 40m
- Longest outage
  
  139h
View status page →

Uptime over time

Availability across windows

Window	DeepSeek	ChatGPT	Δ
Last 24 hours	100.00%	100.00%	0.00 pp
Last 7 days	100.00%	78.70%	+21.30 pp
Last 30 days	99.88%	67.01%	+32.87 pp
Last 90 days	99.04%	87.26%	+11.78 pp

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

Incidents 90-day

Severity breakdown

DeepSeek

12 total

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

41 total

4 major 37 minor
- Median resolution
  
  1h 40m
- Longest outage
  
  139h

Recent activity

Last 5 incidents, side-by-side

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 →
ChatGPT
- May 29
  
  Users May Experience Issues Accessing ChatGPT
  
  8m
  
  Minor
- May 29
  
  Users may encounter issues with conversations
  
  1h 39m
  
  Minor
- May 29
  
  Users may encounter issues logging in or creating an account
  
  1h 44m
  
  Minor
- May 28
  
  Business plan subscription checkout issues on web and mobile web
  
  4h 43m
  
  Minor
- May 28
  
  Subscription checkout failing
  
  4h 7m
  
  Minor
View all incidents →

Bottom line

DeepSeek wins

DeepSeek edges out on 90-day uptime.

DeepSeek posted 99.04% vs. 87.26% for ChatGPT (Δ +11.78 pp). Incidents: 12 vs. 41 (-29).

Also compare

Other DeepSeek comparisons

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