OpenAI vs Anthropic: reliability compared
Based purely on the incidents the providers themselves published on their official status pages over the last 90 days. Over that period, OpenAI shows the better uptime.
OpenAI
Operational90d uptime
99.59 %Incidents (90d)
6Last
7 h agoHover or tap a day for details.
90 days agotoday
no downtimeunder an houran hour or moreno data
Anthropic
Operational90d uptime
92.61 %Incidents (90d)
2Last
9 h agoHover or tap a day for details.
90 days agotoday
no downtimeunder an houran hour or moreno data
How to read this
OpenAI reports “Operational”, Anthropic reports “Operational”. Publishing more incidents does not mean being less reliable: it often means a more detailed status page. Compare total downtime instead.