Service comparison

Claude vs. ChatGPT

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

Last 90 days · 194 incidents total · From each provider's official status page

Head-to-head

90-day summary

Claude

claude.ai

Major outage
- 90-day uptime
  
  88.06%
- Incidents (90d)
  
  83
  
  34 major · 49 minor
- Median resolution
  
  1h 5m
- Longest incident
  
  99h 20m
View status page →
ChatGPT

chatgpt.com

Online
- 90-day uptime
  
  79.34%
- Incidents (90d)
  
  111
  
  16 major · 95 minor
- Median resolution
  
  1h 38m
- Longest incident
  
  70h 39m
View status page →

Uptime over time

Availability across windows

Window	Claude	ChatGPT	Δ
Last 24 hours	100.00%	3.40%	+96.60 pp
Last 7 days	99.10%	41.82%	+57.28 pp
Last 30 days	91.10%	73.42%	+17.68 pp
Last 90 days	88.06%	79.34%	+8.72 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

83 total

34 major 49 minor
- Median resolution
  
  1h 5m
- Longest incident
  
  99h 20m
ChatGPT

111 total

16 major 95 minor
- Median resolution
  
  1h 38m
- Longest incident
  
  70h 39m

Recent activity

Last 5 incidents, side-by-side

Claude
- Oct 7
  
  Issue with spend limits
  
  < 1m
  
  Minor
- Oct 7
  
  Elevated errors on platform.claude.com
  
  Ongoing
  
  Major
- Oct 7
  
  Elevated errors loading usage data on platform.claude.com
  
  1h 13m
  
  Major
- Oct 6
  
  Elevated errors for Claude Opus 5.5
  
  18m
  
  Major
- Oct 5
  
  Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
  
  15m
  
  Major
View all incidents →
ChatGPT
- Oct 9
  
  Workspace admins may be unable to manage plugins
  
  1h 38m
  
  Major
- Oct 9
  
  Some ChatGPT content may be unavailable on Android
  
  3h 26m
  
  Major
- Oct 9
  
  Delayed Costs data in the Compliance API
  
  2d 22h 39m
  
  Minor
- Oct 8
  
  Some APAC users are seeing errors in ChatGPT Work, conversations, and GPTs.
  
  1h 33m
  
  Minor
- Oct 7
  
  Elevated errors with GPT-5.6 Instant in FedRAMP workspaces
  
  21m
  
  Minor
View all incidents →