Service comparison

OpenAI vs. ChatGPT

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

Last 90 days · 148 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

OpenAI

openai.com

Ongoing incident
- 90-day uptime
  
  70.51%
- Incidents (90d)
  
  74
  
  8 major · 66 minor
- Median resolution
  
  1h 39m
- Longest outage
  
  264h 55m
View status page →
ChatGPT

chatgpt.com

Ongoing incident
- 90-day uptime
  
  70.51%
- Incidents (90d)
  
  74
  
  8 major · 66 minor
- Median resolution
  
  1h 39m
- Longest outage
  
  264h 55m
View status page →

Uptime over time

Availability across windows

Window	OpenAI	ChatGPT	Δ
Last 24 hours	95.97%	95.97%	0.00 pp
Last 7 days	96.62%	96.62%	0.00 pp
Last 30 days	52.29%	52.29%	0.00 pp
Last 90 days	70.51%	70.51%	0.00 pp

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

Incidents 90-day

Severity breakdown

OpenAI

74 total

8 major 66 minor
- Median resolution
  
  1h 39m
- Longest outage
  
  264h 55m
ChatGPT

74 total

8 major 66 minor
- Median resolution
  
  1h 39m
- Longest outage
  
  264h 55m

Recent activity

Last 5 incidents, side-by-side

OpenAI
- Jul 9
  
  Users are experiencing elevated errors when selecting models
  
  58m
  
  Minor
- Jul 7
  
  Elevated errors with image generation in ChatGPT
  
  4h 43m
  
  Minor
- Jul 1
  
  Codex, workspace analytics, conversation search, searching for custom GPTs, ChatGPT user invites, and Compliance Log Platform download endpoint not working in FedRAMP workspaces
  
  Ongoing
  
  Minor
- Jun 27
  
  Issues with ChatGPT Windows desktop app
  
  5h 28m
  
  Minor
- Jun 26
  
  Codex Usage Limits Depleting Faster Than Expected
  
  3d 2m
  
  Minor
View all incidents →
ChatGPT
- Jul 9
  
  Users are experiencing elevated errors when selecting models
  
  58m
  
  Minor
- Jul 7
  
  Elevated errors with image generation in ChatGPT
  
  4h 43m
  
  Minor
- Jul 1
  
  Codex, workspace analytics, conversation search, searching for custom GPTs, ChatGPT user invites, and Compliance Log Platform download endpoint not working in FedRAMP workspaces
  
  Ongoing
  
  Minor
- Jun 27
  
  Issues with ChatGPT Windows desktop app
  
  5h 28m
  
  Minor
- Jun 26
  
  Codex Usage Limits Depleting Faster Than Expected
  
  3d 2m
  
  Minor
View all incidents →

Bottom line

It's a tie

OpenAI and ChatGPT are evenly matched on uptime.

OpenAI posted 70.51% vs. 70.51% for ChatGPT (Δ 0.00 pp). Incidents: 74 vs. 74 (0).

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