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
Claude Cowork
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Destructive Action
1
Worst Incident
STUPID-2026-0043 10/10Claude Cowork deleted 15 years of family photos when asked only to tidy temporary Office files
Comparison Summary
| Metric | Amazon Q | Claude Cowork |
|---|---|---|
| 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 Amazon Q or Claude Cowork more reliable?
Based on StupidLLM data, Amazon Q has 1 documented failures (avg severity 10.0/10) while Claude Cowork has 1 (avg severity 10.0/10). Both agents show similar reliability profiles.
What are the main differences between Amazon Q and Claude Cowork failures?
Amazon Q's most common failure mode is security vulnerability, while Claude Cowork most commonly fails via destructive action. Amazon Q has 1 critical incidents vs Claude Cowork's 1.