Amazon Kiro vs Amazon Q

AI Agent Reliability Comparison

Amazon Kiro

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Destructive Action 1

Worst Incident

STUPID-2026-0046 10/10
Amazon's Kiro agent deleted production, causing a 13-hour AWS outage and ~6.3M lost Amazon.com orders

Amazon Q

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Security Vulnerability 1

Worst Incident

STUPID-2026-0035 10/10
Hacker slipped a data-wiping prompt into Amazon Q's VS Code extension, shipped to ~1M installs

Comparison Summary

Metric Amazon Kiro Amazon Q
Total Incidents 1 1
Avg Severity 10.0/10 10.0/10
Critical Incidents 1 1
Top Failure Mode Destructive Action Security Vulnerability

Frequently Asked Questions

Is Amazon Kiro or Amazon Q more reliable?

Based on StupidLLM data, Amazon Kiro has 1 documented failures (avg severity 10.0/10) while Amazon Q has 1 (avg severity 10.0/10). Both agents show similar reliability profiles.

What are the main differences between Amazon Kiro and Amazon Q failures?

Amazon Kiro's most common failure mode is destructive action, while Amazon Q most commonly fails via security vulnerability. Amazon Kiro has 1 critical incidents vs Amazon Q's 1.