LLM API Providers · reliability comparison

Groq vs xAI API: which is more reliable? (2026)

Groq is more reliable than xAI API, scoring 91.4 vs 82.0 out of 100. Over the last 90 days Groq reported 3 incidents and xAI API reported 5, with effective uptime of 99.94% and 99.76% respectively. xAI API resolves incidents faster on average (1h 10m).

Data updated Nov 1, 2026 · How we score

Groq

91.4/100

Operational

Visit Groq ↗

xAI API

82.0/100

Operational

Visit xAI API ↗
VS
MetricGroqxAI API
Reliability score91.482.0
Rank (LLM API providers)#3#5
Uptime (90 days)99.94%99.76%
Incidents (90 days)35
Partial / major outages15
Avg time to resolve2h 16m1h 10m
Outages we detected00
Transparency score100/100100/100

Where Groq and xAI API differ

  • xAI API reported 67% more incidents than Groq over the last 90 days (5 vs 3).
  • xAI API had 5 partial or major outages, compared with 1 for Groq.
  • xAI API fixes problems faster: 1h 10m on average, against 2h 16m for Groq.
  • Groq's longest outage on record lasted 3h 33m (Nov 18, 2025); xAI API's lasted 3h 39m (Sep 3, 2026).

90-day uptime

Groq

Aug 4, 2026 – Oct 9, 2026: no incidentsOct 10, 2026: 96.19% uptime, 1 incident (Degraded performance)Oct 11, 2026: no incidentsOct 12, 2026: 99.11% uptime, 2 incidents (Partial outage)Oct 13, 2026 – Nov 1, 2026: no incidents
90 days ago99.947% average daily uptimeToday

xAI API

Aug 4, 2026 – Aug 16, 2026: no incidentsAug 17, 2026: 96.85% uptime, 1 incident (Partial outage)Aug 18, 2026 – Sep 2, 2026: no incidentsSep 3, 2026: 84.77% uptime, 1 incident (Major outage)Sep 4, 2026 – Sep 9, 2026: no incidentsSep 10, 2026: 99.58% uptime, 1 incident (Partial outage)Sep 11, 2026 – Sep 21, 2026: no incidentsSep 22, 2026: 98.20% uptime, 1 incident (Major outage)Sep 23, 2026 – Oct 23, 2026: no incidentsOct 24, 2026: 99.97% uptime, 1 incident (Partial outage)Oct 25, 2026 – Nov 1, 2026: no incidents
90 days ago99.771% average daily uptimeToday

Recent Groq incidents

Full Groq reliability report →

Recent xAI API incidents

Full xAI API reliability report →

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