Service comparison

OpenAI vs. ChatGPT

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

Last 90 days · 130 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

OpenAI

openai.com

Ongoing incident
- 90-day uptime
  
  85.61%
- Incidents (90d)
  
  65
  
  7 major · 58 minor
- Median resolution
  
  1h 29m
- Longest outage
  
  139h
View status page →
ChatGPT

chatgpt.com

Ongoing incident
- 90-day uptime
  
  85.61%
- Incidents (90d)
  
  65
  
  7 major · 58 minor
- Median resolution
  
  1h 29m
- Longest outage
  
  139h
View status page →

Uptime over time

Availability across windows

Window	OpenAI	ChatGPT	Δ
Last 24 hours	92.85%	92.85%	0.00 pp
Last 7 days	92.63%	92.63%	0.00 pp
Last 30 days	87.16%	87.16%	0.00 pp
Last 90 days	85.61%	85.61%	0.00 pp

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

Incidents 90-day

Severity breakdown

OpenAI

65 total

7 major 58 minor
- Median resolution
  
  1h 29m
- Longest outage
  
  139h
ChatGPT

65 total

7 major 58 minor
- Median resolution
  
  1h 29m
- Longest outage
  
  139h

Recent activity

Last 5 incidents, side-by-side

OpenAI
- Jun 19
  
  chatgpt.com access issues
  
  1h 43m
  
  Minor
- Jun 18
  
  SSO login errors for some ChatGPT Enterprise workspaces
  
  2h 59m
  
  Minor
- Jun 18
  
  ChatGPT failing to load or save
  
  28m
  
  Minor
- Jun 17
  
  Errors with conversations on Android and iOS devices
  
  1h 2m
  
  Major
- Jun 16
  
  Codex "Selected Model is at Capacity" Error
  
  3h 16m
  
  Minor
View all incidents →
ChatGPT
- Jun 19
  
  chatgpt.com access issues
  
  1h 43m
  
  Minor
- Jun 18
  
  SSO login errors for some ChatGPT Enterprise workspaces
  
  2h 59m
  
  Minor
- Jun 18
  
  ChatGPT failing to load or save
  
  28m
  
  Minor
- Jun 17
  
  Errors with conversations on Android and iOS devices
  
  1h 2m
  
  Major
- Jun 16
  
  Codex "Selected Model is at Capacity" Error
  
  3h 16m
  
  Minor
View all incidents →

Bottom line

It's a tie

OpenAI and ChatGPT are evenly matched on uptime.

OpenAI posted 85.61% vs. 85.61% for ChatGPT (Δ 0.00 pp). Incidents: 65 vs. 65 (0).

Also compare

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