Amazon Q
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Security Vulnerability
1
Worst Incident
STUPID-2026-0035 10/10Hacker slipped a data-wiping prompt into Amazon Q's VS Code extension, shipped to ~1M installs
Gemini Cli
3
Incidents
10.0
Avg Severity
3
Critical
0
High
Top Failure Modes
Security Vulnerability
1
Scope Explosion
1
Destructive Action
1
Worst Incident
STUPID-2026-0027 10/10Gemini CLI silently executed arbitrary code from an untrusted repo (CVE-2026-12537, CVSS 10.0)
Comparison Summary
| Metric | Amazon Q | Gemini Cli |
|---|---|---|
| Total Incidents | 1 | 3 |
| Avg Severity | 10.0/10 | 10.0/10 |
| Critical Incidents | 1 | 3 |
| Top Failure Mode | Security Vulnerability | Security Vulnerability |
Frequently Asked Questions
Is Amazon Q or Gemini Cli more reliable?
Based on StupidLLM data, Amazon Q has 1 documented failures (avg severity 10.0/10) while Gemini Cli has 3 (avg severity 10.0/10). Both agents show similar reliability profiles.
What are the main differences between Amazon Q and Gemini Cli failures?
Amazon Q's most common failure mode is security vulnerability, while Gemini Cli most commonly fails via security vulnerability. Amazon Q has 1 critical incidents vs Gemini Cli's 3.