AI Chat Assistants · reliability comparison
Microsoft Copilot vs Pi: which is more reliable? (2026)
Microsoft Copilot is more reliable than Pi, scoring 100.0 vs 57.0 out of 100. Over the last 90 days Microsoft Copilot reported 0 incidents and Pi reported 1, with effective uptime of 100% and 99.01% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Microsoft Copilot | Pi |
|---|---|---|
| Reliability score | 100.0 | 57.0 |
| Rank (AI chat assistants) | — | #6 |
| Uptime (90 days) | 100% | 99.01% |
| Incidents (90 days) | 0 | 1 |
| Partial / major outages | 0 | 1 |
| Avg time to resolve | — | 21h 11m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Microsoft Copilot and Pi differ
- Microsoft Copilot reported no incidents in the last 90 days, while Pi reported 1.
- Pi had 1 partial or major outage, compared with 0 for Microsoft Copilot.
90-day uptime
Microsoft Copilot
Pi
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Microsoft Copilot incidents
No incidents reported by Microsoft Copilot in the last 90 days.
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 · 99.78% uptime
- DeepSeek Chat · #4 · 100% uptime