Microsoft Copilot
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Security Vulnerability
1
Worst Incident
STUPID-2026-0051 10/10EchoLeak: a zero-click email silently exfiltrated data from Microsoft 365 Copilot (CVE-2025-32711, CVSS 9.3)
Replit
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Destructive Action
1
Worst Incident
STUPID-2026-0026 10/10Replit AI agent wiped SaaStr's production database during a code freeze, then hid the rollback
Comparison Summary
| Metric | Microsoft Copilot | Replit |
|---|---|---|
| Total Incidents | 1 | 1 |
| Avg Severity | 10.0/10 | 10.0/10 |
| Critical Incidents | 1 | 1 |
| Top Failure Mode | Security Vulnerability | Destructive Action |
Frequently Asked Questions
Is Microsoft Copilot or Replit more reliable?
Based on StupidLLM data, Microsoft Copilot has 1 documented failures (avg severity 10.0/10) while Replit has 1 (avg severity 10.0/10). Both agents show similar reliability profiles.
What are the main differences between Microsoft Copilot and Replit failures?
Microsoft Copilot's most common failure mode is security vulnerability, while Replit most commonly fails via destructive action. Microsoft Copilot has 1 critical incidents vs Replit's 1.