AI Chat Assistants · reliability comparison
DeepSeek Chat vs Pi: which is more reliable? (2026)
DeepSeek Chat is more reliable than Pi, scoring 77.3 vs 57.0 out of 100. Over the last 90 days DeepSeek Chat reported 20 incidents and Pi reported 1, with effective uptime of 100% and 99.01% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | DeepSeek Chat | Pi |
|---|---|---|
| Reliability score | 77.3 | 57.0 |
| Rank (AI chat assistants) | #4 | #5 |
| Uptime (90 days) | 100% | 99.01% |
| Incidents (90 days) | 20 | 1 |
| Partial / major outages | 4 | 1 |
| Avg time to resolve | — | 21h 11m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where DeepSeek Chat and Pi differ
- DeepSeek Chat reported 20× as many incidents as Pi over the last 90 days (20 vs 1).
- DeepSeek Chat had 4 partial or major outages, compared with 1 for Pi.
90-day uptime
DeepSeek Chat
Pi
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent DeepSeek Chat incidents
- Degraded performanceOct 20, 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)
- Major outageOct 12, 2026 · resolved (duration not published)
- Degraded performanceOct 8, 2026 · resolved (duration not published)
- Degraded performanceOct 1, 2026 · resolved (duration not published)
Recent Pi incidents
- Major outageOct 22, 2026 · resolved in 21h 11m
Other AI chat assistants to consider
- Gemini · #1 · 99.94% uptime
- Perplexity · #2 · 99.83% uptime
- Grok · #3 · 99.77% uptime
- Claude · #6 · 99.25% uptime