LLM API Providers · reliability comparison

Azure OpenAI vs Perplexity API: which is more reliable? (2026)

Azure OpenAI is more reliable than Perplexity API, scoring 100.0 vs 93.8 out of 100. Over the last 90 days Azure OpenAI reported 0 incidents and Perplexity API reported 3, with effective uptime of 100% and 99.94% respectively.

Data updated Nov 1, 2026 · How we score

MetricAzure OpenAIPerplexity API
Reliability score100.093.8
Rank (LLM API providers)—#1
Uptime (90 days)100%99.94%
Incidents (90 days)03
Partial / major outages01
Avg time to resolve—36m
Outages we detected00
Transparency score100/100100/100

Where Azure OpenAI and Perplexity API differ

  • Azure OpenAI reported no incidents in the last 90 days, while Perplexity API reported 3.
  • Perplexity API had 1 partial or major outage, compared with 0 for Azure OpenAI.

90-day uptime

Azure OpenAI

Aug 4, 2026 – Nov 1, 2026: no incidents
90 days ago100% average daily uptimeToday

Perplexity API

Aug 4, 2026 – Aug 10, 2026: no incidentsAug 11, 2026: 99.94% uptime, 1 incident (Degraded performance)Aug 12, 2026: no incidentsAug 13, 2026: 95.53% uptime, 1 incident (Major outage)Aug 14, 2026 – Oct 8, 2026: no incidentsOct 9, 2026: 99.61% uptime, 1 incident (Degraded performance)Oct 10, 2026 – Nov 1, 2026: no incidents
90 days ago99.945% average daily uptimeToday

Recent Azure OpenAI incidents

No incidents reported by Azure OpenAI in the last 90 days.

Full Azure OpenAI reliability report →

Recent Perplexity API incidents

Full Perplexity API reliability report →

Other LLM API providers to consider

See the full most reliable llm api providers ranking →