AI Chat Assistants · reliability comparison
Perplexity vs Pi: which is more reliable? (2026)
Perplexity is more reliable than Pi, scoring 84.0 vs 57.0 out of 100. Over the last 90 days Perplexity reported 8 incidents and Pi reported 1, with effective uptime of 99.83% and 99.01% respectively. Perplexity resolves incidents faster on average (1h 19m).
Data updated Nov 1, 2026 · How we score
| Metric | Perplexity | Pi |
|---|---|---|
| Reliability score | 84.0 | 57.0 |
| Rank (AI chat assistants) | #2 | #5 |
| Uptime (90 days) | 99.83% | 99.01% |
| Incidents (90 days) | 8 | 1 |
| Partial / major outages | 3 | 1 |
| Avg time to resolve | 1h 19m | 21h 11m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Perplexity and Pi differ
- Perplexity reported 8× as many incidents as Pi over the last 90 days (8 vs 1).
- Perplexity had 3 partial or major outages, compared with 1 for Pi.
- Perplexity fixes problems faster: 1h 19m on average, against 21h 11m for Pi (16.0× quicker).
- Perplexity's longest outage on record lasted 4h 31m (Jun 4, 2026); Pi's lasted 21h 11m (Oct 22, 2026).
90-day uptime
Perplexity
Pi
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Perplexity incidents
- MaintenanceOct 13, 2026 · ongoing
Scheduled Computer Maintenance
Affected: Computer
- Degraded performanceOct 9, 2026 · resolved in 37m
Elevated API errors and timeouts
Affected: API, Website, App, Computer
- MaintenanceSep 7, 2026 · ongoing
Status page migration to incident.io
Affected: Computer, Website, App
- Partial outageSep 5, 2026 · resolved in 2h 19m
We have identified few connectors that are impacting users.
Affected: Computer
- Major outageSep 3, 2026 · resolved in 40m
Issue with usage based billing
Affected: Computer
- InformationalAug 31, 2026 · resolved in 34m
Affected: Computer
Recent Pi incidents
- Major outageOct 22, 2026 · resolved in 21h 11m
Other AI chat assistants to consider
- Gemini · #1 · 99.94% uptime
- Grok · #3 · 99.77% uptime
- DeepSeek Chat · #4 · 100% uptime
- Claude · #6 · 99.25% uptime