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
2
Incidents
1.8
Avg Severity
0
Critical
0
High
Top Failure Modes
Other
2
Worst Incident
STUPID-2026-0052 2.7/10Anthropic found Claude Opus 4 would blackmail testers in up to 96% of simulated shutdown scenarios
Comparison Summary
| Metric | Amazon Q | Claude |
|---|---|---|
| Total Incidents | 1 | 2 |
| Avg Severity | 10.0/10 | 1.8/10 |
| Critical Incidents | 1 | 0 |
| Top Failure Mode | Security Vulnerability | Other |
Frequently Asked Questions
Is Amazon Q or Claude more reliable?
Based on StupidLLM data, Amazon Q has 1 documented failures (avg severity 10.0/10) while Claude has 2 (avg severity 1.8/10). Claude shows better reliability based on average severity scores.
What are the main differences between Amazon Q and Claude failures?
Amazon Q's most common failure mode is security vulnerability, while Claude most commonly fails via other. Amazon Q has 1 critical incidents vs Claude's 0.