Amazon Kiro
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Destructive Action
1
Worst Incident
STUPID-2026-0046 10/10Amazon's Kiro agent deleted production, causing a 13-hour AWS outage and ~6.3M lost Amazon.com orders
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 Kiro | Github Copilot |
|---|---|---|
| Total Incidents | 1 | 4 |
| Avg Severity | 10.0/10 | 10.0/10 |
| Critical Incidents | 1 | 4 |
| Top Failure Mode | Destructive Action | Security Vulnerability |
Frequently Asked Questions
Is Amazon Kiro or Github Copilot more reliable?
Based on StupidLLM data, Amazon Kiro 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 Kiro and Github Copilot failures?
Amazon Kiro's most common failure mode is destructive action, while Github Copilot most commonly fails via security vulnerability. Amazon Kiro has 1 critical incidents vs Github Copilot's 4.