LLM API Providers · reliability comparison
Azure OpenAI vs OpenAI API: which is more reliable? (2026)
Azure OpenAI is more reliable than OpenAI API, scoring 100.0 vs 49.0 out of 100. Over the last 90 days Azure OpenAI reported 0 incidents and OpenAI API reported 35, with effective uptime of 100% and 98.73% respectively.
Data updated Nov 2, 2026 · How we score
VS
| Metric | Azure OpenAI | OpenAI API |
|---|---|---|
| Reliability score | 100.0 | 49.0 |
| Rank (LLM API providers) | — | #9 |
| Uptime (90 days) | 100% | 98.73% |
| Incidents (90 days) | 0 | 35 |
| Partial / major outages | 0 | 1 |
| Avg time to resolve | — | 6h 8m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Azure OpenAI and OpenAI API differ
- Azure OpenAI reported no incidents in the last 90 days, while OpenAI API reported 35.
- OpenAI API had 1 partial or major outage, compared with 0 for Azure OpenAI.
90-day uptime
Azure OpenAI
OpenAI API
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Azure OpenAI incidents
No incidents reported by Azure OpenAI in the last 90 days.
Recent OpenAI API incidents
- Degraded performanceOct 30, 2026 · resolved in 4h 1m
Elevated errors for GPT Image 2 API image edits
Affected: Images
- Degraded performanceOct 27, 2026 · resolved in 1h 18m
6.1 Sol Degraded Model Performance
Affected: Batch, Chat Completions, Responses
- InformationalOct 27, 2026 · resolved in 29m
- InformationalOct 23, 2026 · resolved in 33m
- InformationalOct 23, 2026 · resolved in 2h 17m
- Degraded performanceOct 22, 2026 · resolved in 6h 32m
Elevated ChatGPT conversation and Responses API errors
Affected: Conversations, Responses
Other LLM API providers to consider
- Perplexity API · #1 · 99.94% uptime
- Cohere · #2 · 99.94% uptime
- Groq · #3 · 99.94% uptime
- Cerebras Inference · #4 · 99.88% uptime