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
Github Copilot
4
Incidents
10.0
Avg Severity
4
Critical
0
High
Top Failure Modes
Security Vulnerability
4
Worst Incident
STUPID-2026-0004 10/10Copilot autocompleted AWS credentials into public repository
Comparison Summary
| Metric | Amazon Q | Github Copilot |
|---|---|---|
| Total Incidents | 1 | 4 |
| Avg Severity | 10.0/10 | 10.0/10 |
| Critical Incidents | 1 | 4 |
| Top Failure Mode | Security Vulnerability | Security Vulnerability |
Frequently Asked Questions
Is Amazon Q or Github Copilot more reliable?
Based on StupidLLM data, Amazon Q has 1 documented failures (avg severity 10.0/10) while Github Copilot has 4 (avg severity 10.0/10). Both agents show similar reliability profiles.
What are the main differences between Amazon Q and Github Copilot failures?
Amazon Q's most common failure mode is security vulnerability, while Github Copilot most commonly fails via security vulnerability. Amazon Q has 1 critical incidents vs Github Copilot's 4.