Home Compare Mistral API vs OpenAI API LLM API Providers · reliability comparison
Mistral API vs OpenAI API: which is more reliable? (2026) Mistral API is more reliable than OpenAI API, scoring 72.0 vs 49.0 out of 100. Over the last 90 days Mistral API reported 16 incidents and OpenAI API reported 35, with effective uptime of 99.63% and 98.72% respectively. Mistral API resolves incidents faster on average (1h 9m).
Data updated Nov 1, 2026 · How we score
Metric Mistral API OpenAI API Reliability score 72.0 49.0 Rank (LLM API providers) #7 #9 Uptime (90 days) 99.63% 98.72% Incidents (90 days) 16 35 Partial / major outages 5 1 Avg time to resolve 1h 9m 6h 8m Outages we detected 0 0 Transparency score 100/100 100/100
Where Mistral API and OpenAI API differ OpenAI API reported 2.2× as many incidents as Mistral API over the last 90 days (35 vs 16). Mistral API had 5 partial or major outages, compared with 1 for OpenAI API. Mistral API fixes problems faster: 1h 9m on average, against 6h 8m for OpenAI API (5.4× quicker). Mistral API's longest outage on record lasted 3h 46m (Sep 10, 2026); OpenAI API's lasted 40m (Sep 15, 2026). 90-day uptime Mistral API Aug 4, 2026 – Aug 5, 2026: no incidents Aug 6, 2026: 99.96% uptime, 1 incident (Degraded performance) Aug 7, 2026 – Aug 17, 2026: no incidents Aug 18, 2026: 99.99% uptime, 1 incident (Degraded performance) Aug 19, 2026 – Aug 26, 2026: no incidents Aug 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 incidents Sep 4, 2026: 99.91% uptime, 1 incident (Degraded performance) Sep 5, 2026 – Sep 9, 2026: no incidents Sep 10, 2026: 92.16% uptime, 1 incident (Partial outage) Sep 11, 2026 – Sep 20, 2026: no incidents Sep 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 incidents Sep 29, 2026: 88.14% uptime, 2 incidents (Major outage) Sep 30, 2026 – Oct 11, 2026: no incidents Oct 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 incidents Oct 23, 2026: 98.23% uptime, 1 incident (Degraded performance) Oct 24, 2026 – Nov 1, 2026: no incidents 90 days ago 99.635% average daily uptime Today OpenAI API Aug 4, 2026: no incidents Aug 5, 2026: 94.71% uptime, 1 incident (Degraded performance) Aug 6, 2026 – Aug 10, 2026: no incidents Aug 11, 2026: 99.30% uptime, 1 incident (Degraded performance) Aug 12, 2026: no incidents Aug 13, 2026: 94.75% uptime, 1 incident (Degraded performance) Aug 14, 2026 – Aug 30, 2026: no incidents Aug 31, 2026: 99.04% uptime, 1 incident (Degraded performance) Sep 1, 2026: 88.06% uptime, 1 incident (Degraded performance) Sep 2, 2026: 99.67% uptime, 1 incident (Degraded performance) Sep 3, 2026 – Sep 7, 2026: no incidents Sep 8, 2026: 95.34% uptime, 1 incident (Degraded performance) Sep 9, 2026: 99.74% uptime, 1 incident (Degraded performance) Sep 10, 2026: 98.80% uptime, 1 incident (Degraded performance) Sep 11, 2026: 98.60% uptime, 1 incident (Degraded performance) Sep 12, 2026 – Sep 13, 2026: no incidents Sep 14, 2026: 97.29% uptime, 2 incidents (Degraded performance) Sep 15, 2026: 99.67% uptime, 1 incident (Partial outage) Sep 16, 2026: 98.93% uptime, 1 incident (Partial outage) Sep 17, 2026: 99.05% uptime, 1 incident (Degraded performance) Sep 18, 2026: 98.50% uptime, 3 incidents (Degraded performance) Sep 19, 2026: 95.07% uptime, 2 incidents (Degraded performance) Sep 20, 2026 – Sep 23, 2026: no incidents Sep 24, 2026: 99.51% uptime, 1 incident (Degraded performance) Sep 25, 2026 – Sep 28, 2026: no incidents Sep 29, 2026: 96.13% uptime, 2 incidents (Degraded performance) Sep 30, 2026: 85.00% uptime, 2 incidents (Degraded performance) Oct 1, 2026: 85.00% uptime, 1 incident (Degraded performance) Oct 2, 2026: 88.82% uptime, 1 incident (Degraded performance) Oct 3, 2026 – Oct 4, 2026: no incidents Oct 5, 2026: 94.89% uptime, 2 incidents (Degraded performance) Oct 6, 2026: 90.03% uptime, 4 incidents (Degraded performance) Oct 7, 2026 – Oct 13, 2026: no incidents Oct 14, 2026: 99.58% uptime, 1 incident (Degraded performance) Oct 15, 2026 – Oct 18, 2026: no incidents Oct 19, 2026: 99.56% uptime, 1 incident (Degraded performance) Oct 20, 2026: no incidents Oct 21, 2026: 98.63% uptime, 2 incidents (Degraded performance) Oct 22, 2026: 95.91% uptime, 1 incident (Degraded performance) Oct 23, 2026 – Oct 26, 2026: no incidents Oct 27, 2026: 99.18% uptime, 2 incidents (Degraded performance) Oct 28, 2026 – Oct 29, 2026: no incidents Oct 30, 2026: 97.48% uptime, 1 incident (Degraded performance) Oct 31, 2026 – Nov 1, 2026: no incidents 90 days ago 98.737% average daily uptime Today