Anthropic API vs OpenAI API
Reliability comparison based on uptime, incident history, and mean time to recovery. Updated daily.
 Anthropic API
|
 OpenAI API
|
|
|---|---|---|
| Current Status | Operational | Operational |
| Uptime (30d) | 76.790% | 98.470% Best |
| Uptime (90d) | 83.857% | 99.515% Best |
| MTTR | 7.7 hrs | 3.0 hrs Best |
| Incidents (30d) | 20 | 13 Best |
| Incidents (90d) | 63 | 13 Best |
| Reliability Score | 50.8/100 | 65.7/100 Best |
Recent Incidents
Anthropic API
Elevated errors for Claude Sonnet 5.5
major
OpenAI API
6.1 Sol Degraded Model Performance
minor
Anthropic API
Elevated errors for Claude Sonnet 5.5
major
OpenAI API
Elevated error rates for most hosted Code Reviews and Security Reviews on private GitHub repositories
none
Anthropic API
Elevated errors for Claude Fable 5.1
major
Anthropic API
Elevated errors for multiple models
major
Anthropic API
Elevated errors for Claude Sonnet 5.5
major
Anthropic API
Elevated errors for Claude Sonnet 5.5 and other models
major
Anthropic API
Elevated errors for other Claude models
major
Anthropic API
Elevated errors for Claude Fable 5 and Claude Fable 5.1
major
Anthropic API
Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5
critical
OpenAI API
Degraded experience with ChatGPT app connections using CIMD
minor
OpenAI API
Help Center Chat Support Degraded
none
OpenAI API
Delays in customer support responses
none
OpenAI API
New Ad Accounts failing to provision admins
minor
OpenAI API
Dot Message Failures
minor
OpenAI API
Degraded Performance of Dots on Enterprise
minor
Anthropic API
Elevated errors affecting Connectors
minor
OpenAI API
ChatGPT conversion failures in India, Japan and Korea. And Response API errors
minor
OpenAI API
Elevated ChatGPT conversation and Responses API errors
minor
Frequently Asked Questions
Which is more reliable, Anthropic API or OpenAI API?
Based on our monitoring data, OpenAI API is currently more reliable than Anthropic API. OpenAI API has a reliability score of 65.7/100 compared to Anthropic API's 50.8/100. This score factors in uptime percentage, mean time to recovery, incident frequency, and consistency. Monitor both services with Happy Uptime for real-time alerts.
Which has better uptime, Anthropic API or OpenAI API?
Over the last 30 days, OpenAI API has a higher uptime of 98.470% compared to Anthropic API's 76.790%. We check both services every 5 minutes from multiple global regions.
Is Anthropic API more stable than OpenAI API?
OpenAI API has been more stable over the past 90 days with 13 incidents compared to Anthropic API's 63 incidents. Fewer incidents generally indicates a more stable service. Use Happy Uptime to track both services and get AI-powered incident analysis.
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