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) | 100.000% | 100.000% |
| Uptime (90d) | 100.000% | 100.000% |
| MTTR | 12.1 hrs Best | N/A |
| Incidents (30d) | 9 | 0 Best |
| Incidents (90d) | 9 | 0 Best |
| Reliability Score | 75.0/100 | 100.0/100 Best |
Recent Incidents
Anthropic API
Elevated errors on Claude Opus 4.6
major
Anthropic API
Elevated errors on Claude Opus 4.6 and Sonnet 4.6
major
Anthropic API
Elevated errors on Claude Sonnet 4.6
minor
Anthropic API
Elevated errors on Claude Sonnet 4.6 and on Claude.ai
minor
Anthropic API
Elevated errors on Sonnet 4.6
minor
Anthropic API
Elevated errors on Claude.ai
minor
Anthropic API
Elevated errors on Claude.ai (including login issues for Claude Code)
minor
Anthropic API
Claude Desktop app unresponsive
major
Anthropic API
Filesystem connector missing from Claude Desktop
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 100.0/100 compared to Anthropic API's 75.0/100. 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?
Both Anthropic API and OpenAI API have comparable uptime over the last 30 days. We check both services every 5 minutes from multiple global regions. Sign up for Happy Uptime to get instant alerts when either service experiences downtime.
Is Anthropic API more stable than OpenAI API?
OpenAI API has been more stable over the past 90 days with 0 incidents compared to Anthropic API's 9 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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