Amazon Kiro vs Cline

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

Cline

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Security Vulnerability 1

Worst Incident

STUPID-2026-0030 10/10
Clinejection: an AI issue-triage workflow enabled arbitrary code execution on the CI runner

Comparison Summary

Metric Amazon Kiro Cline
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 Cline more reliable?

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

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

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