LLM API Providers · reliability comparison
DeepSeek API vs Perplexity API: which is more reliable? (2026)
Perplexity API is more reliable than DeepSeek API, scoring 93.8 vs 76.5 out of 100. Over the last 90 days DeepSeek API reported 24 incidents and Perplexity API reported 3, with effective uptime of 100% and 99.94% respectively.
Data updated Nov 2, 2026 · How we score
VS
| Metric | DeepSeek API | Perplexity API |
|---|---|---|
| Reliability score | 76.5 | 93.8 |
| Rank (LLM API providers) | #6 | #1 |
| Uptime (90 days) | 100% | 99.94% |
| Incidents (90 days) | 24 | 3 |
| Partial / major outages | 3 | 1 |
| Avg time to resolve | — | 36m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where DeepSeek API and Perplexity API differ
- DeepSeek API reported 8× as many incidents as Perplexity API over the last 90 days (24 vs 3).
- DeepSeek API had 3 partial or major outages, compared with 1 for Perplexity API.
90-day uptime
DeepSeek API
Perplexity API
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent DeepSeek API incidents
- Degraded performanceOct 27, 2026 · resolved (duration not published)
- Major outageOct 15, 2026 · resolved (duration not published)
DeepSeek 网页/API 部分中断（DeepSeek Web/API Partially Unavailable）
- Degraded performanceOct 12, 2026 · resolved (duration not published)
- Degraded performanceOct 8, 2026 · resolved (duration not published)
- Degraded performanceOct 1, 2026 · resolved (duration not published)
- Degraded performanceSep 23, 2026 · resolved (duration not published)
Recent Perplexity API incidents
- Degraded performanceOct 9, 2026 · resolved in 37m
Elevated API errors and timeouts
Affected: Computer, API, Website, App
- Major outageAug 13, 2026 · resolved in 1h 4m
Investigating API issueofficial update ↗
Affected: App
- Degraded performanceAug 11, 2026 · resolved in 6m
Other LLM API providers to consider
- Cohere · #2 · 99.94% uptime
- Groq · #3 · 99.94% uptime
- Cerebras Inference · #4 · 99.88% uptime
- xAI API · #5 · 99.76% uptime