Gitlab Duo
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Security Vulnerability
1
Worst Incident
STUPID-2026-0061 10/10A hidden comment made GitLab Duo leak private source code and inject rogue HTML
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)
Comparison Summary
| Metric | Gitlab Duo | Microsoft Copilot |
|---|---|---|
| Total Incidents | 1 | 1 |
| Avg Severity | 10.0/10 | 10.0/10 |
| Critical Incidents | 1 | 1 |
| Top Failure Mode | Security Vulnerability | Security Vulnerability |
Frequently Asked Questions
Is Gitlab Duo or Microsoft Copilot more reliable?
Based on StupidLLM data, Gitlab Duo has 1 documented failures (avg severity 10.0/10) while Microsoft Copilot has 1 (avg severity 10.0/10). Both agents show similar reliability profiles.
What are the main differences between Gitlab Duo and Microsoft Copilot failures?
Gitlab Duo's most common failure mode is security vulnerability, while Microsoft Copilot most commonly fails via security vulnerability. Gitlab Duo has 1 critical incidents vs Microsoft Copilot's 1.