Service comparison

DeepSeek vs. ChatGPT

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

Last 90 days · 95 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

DeepSeek

deepseek.com

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

chatgpt.com

Ongoing incident
- 90-day uptime
  
  61.20%
- Incidents (90d)
  
  95
  
  12 major · 83 minor
- Median resolution
  
  1h 44m
- Longest outage
  
  264h 55m
View status page →

Uptime over time

Availability across windows

Window	DeepSeek	ChatGPT	Δ
Last 24 hours	100.00%	98.61%	+1.39 pp
Last 7 days	100.00%	93.91%	+6.09 pp
Last 30 days	100.00%	80.41%	+19.59 pp
Last 90 days	100.00%	61.20%	+38.80 pp

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

Incidents 90-day

Severity breakdown

DeepSeek

0 total

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

95 total

12 major 83 minor
- Median resolution
  
  1h 44m
- Longest outage
  
  264h 55m

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
- Aug 18
  
  Elevated errors deploying Sites
  
  20m
  
  Minor
- Aug 14
  
  Unexpected GPT-5.6 Terra responses
  
  Ongoing
  
  Minor
- Aug 13
  
  Elevated errors in ChatGPT conversations for Free users
  
  8h 38m
  
  Minor
- Aug 13
  
  Error while creating custom RBAC roles for Enterprise users
  
  8h 23m
  
  Minor
- Aug 11
  
  Increase in errors on API, Codex and Work Mode
  
  1h 7m
  
  Minor
View all incidents →

Bottom line

DeepSeek wins

DeepSeek edges out on 90-day uptime.

DeepSeek posted 100.00% vs. 61.20% for ChatGPT (Δ +38.80 pp). Incidents: 0 vs. 95 (-95).

Also compare

Other DeepSeek comparisons

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