Service comparison

Claude vs. ChatGPT

Claude vs. ChatGPT: uptime, incident frequency and resolution times, head-to-head.

Last 90 days · 192 incidents total · From each provider's official status page

Head-to-head

90-day summary

Claude

claude.ai

Online
- 90-day uptime
  
  87.64%
- Incidents (90d)
  
  86
  
  32 major · 54 minor
- Median resolution
  
  1h 5m
- Longest incident
  
  99h 20m
View status page →
ChatGPT

chatgpt.com

Online
- 90-day uptime
  
  82.70%
- Incidents (90d)
  
  106
  
  14 major · 92 minor
- Median resolution
  
  1h 24m
- Longest incident
  
  45h 24m
View status page →

Uptime over time

Availability across windows

Window	Claude	ChatGPT	Δ
Last 24 hours	98.96%	26.60%	+72.36 pp
Last 7 days	94.89%	57.52%	+37.37 pp
Last 30 days	84.51%	80.62%	+3.89 pp
Last 90 days	87.64%	82.70%	+4.94 pp

Uptime is the share of each window with no incident open on the provider's official status page. Δ is percentage-point difference (Claude minus ChatGPT). Higher is better.

Incidents 90-day

Severity breakdown

Claude

86 total

32 major 54 minor
- Median resolution
  
  1h 5m
- Longest incident
  
  99h 20m
ChatGPT

106 total

14 major 92 minor
- Median resolution
  
  1h 24m
- Longest incident
  
  45h 24m

Recent activity

Last 5 incidents, side-by-side

Claude
- Oct 5
  
  Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
  
  15m
  
  Major
- Oct 1
  
  Delayed credits on the Claude Platform
  
  6h 15m
  
  Minor
- Sep 29
  
  Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API
  
  2h 5m
  
  Major
- Sep 22
  
  Elevated errors for multiple models
  
  1h 37m
  
  Major
- Sep 16
  
  Issues with Google Play subscriptions
  
  32m
  
  Minor
View all incidents →
ChatGPT
- Oct 6
  
  Elevated errors affecting multiple products including ChatGPT (conversations), Image generations, Spaces and Pages, API rehydration, and Dots.
  
  35m
  
  Minor
- Oct 6
  
  Elevated errors in API Platform login and administration APIs.
  
  55m
  
  Minor
- Oct 5
  
  Elevated error rates in Codex Cloud
  
  6h 2m
  
  Minor
- Oct 5
  
  Elevated errors in ChatGPT conversations
  
  7h 2m
  
  Minor
- Oct 5
  
  Admin Console Intermittently Inaccessible
  
  5h 17m
  
  Minor
View all incidents →