LLM API Providers · reliability comparison

Cohere vs Mistral API: which is more reliable? (2026)

Cohere is more reliable than Mistral API, scoring 91.6 vs 72.0 out of 100. Over the last 90 days Cohere reported 2 incidents and Mistral API reported 16, with effective uptime of 99.94% and 99.63% respectively. Mistral API resolves incidents faster on average (1h 9m).

Data updated Nov 1, 2026 · How we score

Cohere

91.6/100

Operational

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Mistral API

72.0/100

Operational

Visit Mistral API ↗
VS
MetricCohereMistral API
Reliability score91.672.0
Rank (LLM API providers)#2#7
Uptime (90 days)99.94%99.63%
Incidents (90 days)216
Partial / major outages15
Avg time to resolve2h 40m1h 9m
Outages we detected00
Transparency score100/100100/100

Where Cohere and Mistral API differ

  • Mistral API reported 8× as many incidents as Cohere over the last 90 days (16 vs 2).
  • Mistral API had 5 partial or major outages, compared with 1 for Cohere.
  • Mistral API fixes problems faster: 1h 9m on average, against 2h 40m for Cohere (2.3× quicker).
  • Cohere's longest outage on record lasted 1h 18m (Feb 13, 2026); Mistral API's lasted 3h 46m (Sep 10, 2026).

90-day uptime

Cohere

Aug 4, 2026: no incidentsAug 5, 2026: 98.00% uptime, 1 incident (Partial outage)Aug 6, 2026 – Aug 31, 2026: no incidentsSep 1, 2026: 97.26% uptime, 1 incident (Degraded performance)Sep 2, 2026 – Nov 1, 2026: no incidents
90 days ago99.947% average daily uptimeToday

Mistral API

Aug 4, 2026 – Aug 5, 2026: no incidentsAug 6, 2026: 99.96% uptime, 1 incident (Degraded performance)Aug 7, 2026 – Aug 17, 2026: no incidentsAug 18, 2026: 99.99% uptime, 1 incident (Degraded performance)Aug 19, 2026 – Aug 26, 2026: no incidentsAug 27, 2026: 99.99% uptime, 1 incident (Degraded performance)Aug 28, 2026: 93.86% uptime, 2 incidents (Partial outage)Aug 29, 2026 – Sep 3, 2026: no incidentsSep 4, 2026: 99.91% uptime, 1 incident (Degraded performance)Sep 5, 2026 – Sep 9, 2026: no incidentsSep 10, 2026: 92.16% uptime, 1 incident (Partial outage)Sep 11, 2026 – Sep 20, 2026: no incidentsSep 21, 2026: 98.08% uptime, 2 incidents (Degraded performance)Sep 22, 2026: 98.36% uptime, 2 incidents (Partial outage)Sep 23, 2026 – Sep 28, 2026: no incidentsSep 29, 2026: 88.14% uptime, 2 incidents (Major outage)Sep 30, 2026 – Oct 11, 2026: no incidentsOct 12, 2026: 98.80% uptime, 1 incident (Partial outage)Oct 13, 2026: 99.72% uptime, 1 incident (Degraded performance)Oct 14, 2026 – Oct 22, 2026: no incidentsOct 23, 2026: 98.23% uptime, 1 incident (Degraded performance)Oct 24, 2026 – Nov 1, 2026: no incidents
90 days ago99.635% average daily uptimeToday

Recent Cohere incidents

Full Cohere reliability report →

Recent Mistral API incidents

Full Mistral API reliability report →

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