AI Chat Assistants · reliability comparison
Claude vs Perplexity: which is more reliable? (2026)
Perplexity is more reliable than Claude, scoring 84.0 vs 56.9 out of 100. Over the last 90 days Claude reported 39 incidents and Perplexity reported 8, with effective uptime of 99.25% and 99.83% respectively. Perplexity resolves incidents faster on average (1h 19m).
Data updated Nov 1, 2026 · How we score
| Metric | Claude | Perplexity |
|---|---|---|
| Reliability score | 56.9 | 84.0 |
| Rank (AI chat assistants) | #6 | #2 |
| Uptime (90 days) | 99.25% | 99.83% |
| Incidents (90 days) | 39 | 8 |
| Partial / major outages | 21 | 3 |
| Avg time to resolve | 1h 24m | 1h 19m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Claude and Perplexity differ
- Claude reported 4.9× as many incidents as Perplexity over the last 90 days (39 vs 8).
- Claude had 21 partial or major outages, compared with 3 for Perplexity.
- Claude's longest outage on record lasted 3h 24m (Aug 24, 2026); Perplexity's lasted 4h 31m (Jun 4, 2026).
90-day uptime
Claude
Perplexity
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Claude incidents
- Degraded performanceOct 28, 2026 · resolved in 3h 46m
Elevated errors affecting the Google Calendar connector
Affected: claude.ai, Claude Code, Claude Cowork
- Degraded performanceOct 28, 2026 · resolved in 1h 49m
Elevated errors affecting the Gmail connector
Affected: claude.ai, Claude Code, Claude Cowork
- Partial outageOct 27, 2026 · resolved in 41m
Elevated errors for Claude Sonnet 5.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 27, 2026 · resolved in 42m
Elevated errors for Claude Sonnet 5.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 25, 2026 · resolved in 32m
Elevated errors for Claude Fable 5.1
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 25, 2026 · resolved in 1h 39m
Elevated errors for Claude Sonnet 5.5 and other models
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
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: Computer, API, Website, App
- MaintenanceSep 7, 2026 · ongoing
Status page migration to incident.io
Affected: Website, App, Computer
- Partial outageSep 5, 2026 · resolved in 2h 19m
We have identified few connectors that are impacting users.official update ↗
Affected: Computer
- Major outageSep 3, 2026 · resolved in 40m
Issue with usage based billingofficial update ↗
Affected: Computer
- InformationalAug 31, 2026 · resolved in 34m
Affected: Computer
Other AI chat assistants to consider
- Gemini · #1 · 99.94% uptime
- Grok · #3 · 99.78% uptime
- DeepSeek Chat · #4 · 100% uptime
- Pi · #5 · 99.01% uptime