AI Chat Assistants · reliability comparison
DeepSeek Chat vs Grok: which is more reliable? (2026)
Grok is more reliable than DeepSeek Chat, scoring 83.4 vs 77.3 out of 100. Over the last 90 days DeepSeek Chat reported 20 incidents and Grok reported 4, with effective uptime of 100% and 99.77% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | DeepSeek Chat | Grok |
|---|---|---|
| Reliability score | 77.3 | 83.4 |
| Rank (AI chat assistants) | #4 | #3 |
| Uptime (90 days) | 100% | 99.77% |
| Incidents (90 days) | 20 | 4 |
| Partial / major outages | 4 | 4 |
| Avg time to resolve | — | 1h 19m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where DeepSeek Chat and Grok differ
- DeepSeek Chat reported 5× as many incidents as Grok over the last 90 days (20 vs 4).
90-day uptime
DeepSeek Chat
Grok
- 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 Grok incidents
- Partial outageOct 30, 2026 · resolved in 1h 3m
- Major outageOct 7, 2026 · resolved in 6m
- Major outageSep 22, 2026 · resolved in 26m
- Major outageSep 3, 2026 · resolved in 3h 39m
Other AI chat assistants to consider
- Gemini · #1 · 99.94% uptime
- Perplexity · #2 · 99.83% uptime
- Pi · #5 · 99.01% uptime
- Claude · #6 · 99.25% uptime