Service comparison

OpenAI vs. Character AI

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

Last 90 days · 149 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

OpenAI

openai.com

Ongoing incident
- 90-day uptime
  
  60.01%
- Incidents (90d)
  
  94
  
  14 major · 80 minor
- Median resolution
  
  1h 42m
- Longest outage
  
  264h 55m
View status page →
Character AI

character.ai

Online
- 90-day uptime
  
  99.14%
- Incidents (90d)
  
  55
  
  55 major · 0 minor
- Median resolution
  
  12m
- Longest outage
  
  4h 49m
View status page →

Uptime over time

Availability across windows

Window	OpenAI	Character AI	Δ
Last 24 hours	100.00%	100.00%	0.00 pp
Last 7 days	54.88%	100.00%	-45.12 pp
Last 30 days	46.59%	100.00%	-53.41 pp
Last 90 days	60.01%	99.14%	-39.13 pp

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

Incidents 90-day

Severity breakdown

OpenAI

94 total

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

55 total

55 major 0 minor
- Median resolution
  
  12m
- Longest outage
  
  4h 49m

Recent activity

Last 5 incidents, side-by-side

OpenAI
- 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
- Jul 27
  
  We’re seeing elevated latency, timeouts, and interrupted streaming across gpt 5.1 mini model and gpt 4.1 mini
  
  36m
  
  Minor
- Jul 25
  
  Elevated errors affecting ChatGPT conversations
  
  1d 18h 22m
  
  Minor
View all incidents →
Character AI
- Jun 15
  
  Investigating an issue
  
  3m
  
  Major
- Jun 15
  
  Investigating an issue
  
  9m
  
  Major
- Jun 15
  
  Investigating an issue
  
  8m
  
  Major
- Jun 15
  
  Investigating an issue
  
  8m
  
  Major
- Jun 15
  
  Investigating an issue
  
  8m
  
  Major
View all incidents →

Bottom line

Character AI wins

Character AI edges out on 90-day uptime.

OpenAI posted 60.01% vs. 99.14% for Character AI (Δ -39.13 pp). Incidents: 94 vs. 55 (+39).

Also compare

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