LLM API Providers · reliability comparison
Anthropic API vs Mistral API: which is more reliable? (2026)
Mistral API is more reliable than Anthropic API, scoring 72.0 vs 36.8 out of 100. Over the last 90 days Anthropic API reported 36 incidents and Mistral API reported 16, with effective uptime of 97.52% and 99.63% respectively. Mistral API resolves incidents faster on average (1h 9m).
Data updated Nov 1, 2026 · How we score
| Metric | Anthropic API | Mistral API |
|---|---|---|
| Reliability score | 36.8 | 72.0 |
| Rank (LLM API providers) | #11 | #7 |
| Uptime (90 days) | 97.52% | 99.63% |
| Incidents (90 days) | 36 | 16 |
| Partial / major outages | 23 | 5 |
| Avg time to resolve | 3h 34m | 1h 9m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Anthropic API and Mistral API differ
- Anthropic API reported 2.3× as many incidents as Mistral API over the last 90 days (36 vs 16).
- Anthropic API had 23 partial or major outages, compared with 5 for Mistral API.
- Mistral API fixes problems faster: 1h 9m on average, against 3h 34m for Anthropic API (3.1× quicker).
- Anthropic API's longest outage on record lasted 3d (Oct 7, 2026); Mistral API's lasted 3h 46m (Sep 10, 2026).
90-day uptime
Anthropic API
Mistral API
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Anthropic API incidents
- Partial outageOct 27, 2026 · resolved in 41m
Elevated errors for Claude Sonnet 5.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 27, 2026 · resolved in 42m
Elevated errors for Claude Sonnet 5.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 25, 2026 · resolved in 32m
Elevated errors for Claude Fable 5.1
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 25, 2026 · resolved in 1h 39m
Elevated errors for Claude Sonnet 5.5 and other models
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 24, 2026 · resolved in 37m
Elevated errors for Claude Fable 5 and Claude Fable 5.1
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 24, 2026 · resolved in 6m
Elevated errors for Claude Opus 5.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
Recent Mistral API incidents
- Degraded performanceOct 23, 2026 · resolved in 2h 50m
- Degraded performanceOct 13, 2026 · resolved in 27m
- Partial outageOct 12, 2026 · resolved in 35m
- Major outageSep 29, 2026 · resolved in 2h 46m
Elevated error rate on some of our servicesofficial update ↗
- Degraded performanceSep 29, 2026 · resolved in 29m
- Partial outageSep 22, 2026 · resolved in 38m
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