Service comparison

ChatGPT vs. DeepSeek

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

Last 90 days · 97 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

ChatGPT

chatgpt.com

Ongoing incident
- 90-day uptime
  
  60.00%
- Incidents (90d)
  
  94
  
  14 major · 80 minor
- Median resolution
  
  1h 42m
- Longest outage
  
  264h 55m
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	ChatGPT	DeepSeek	Δ
Last 24 hours	100.00%	100.00%	0.00 pp
Last 7 days	74.78%	100.00%	-25.22 pp
Last 30 days	52.96%	100.00%	-47.04 pp
Last 90 days	60.00%	99.96%	-39.96 pp

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

Incidents 90-day

Severity breakdown

ChatGPT

94 total

14 major 80 minor
- Median resolution
  
  1h 42m
- Longest outage
  
  264h 55m
DeepSeek

3 total

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

Recent activity

Last 5 incidents, side-by-side

ChatGPT
- Jul 31
  
  Enterprise & Education Chat Errors
  
  24m
  
  Minor
- Jul 30
  
  Elevated errors affecting ChatGPT conversations
  
  1h 25m
  
  Minor
- Jul 29
  
  Elevated error rates with the invalid_prompt error code
  
  1h 24m
  
  Minor
- Jul 28
  
  Elevated Image Generation Error Rate in ChatGPT
  
  35m
  
  Minor
- Jul 27
  
  Image generation unavailable in ChatGPT
  
  1h 19m
  
  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.

ChatGPT posted 60.00% vs. 99.96% for DeepSeek (Δ -39.96 pp). Incidents: 94 vs. 3 (+91).

Also compare

Other ChatGPT comparisons

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