Aider vs Gitlab Duo

AI Agent Reliability Comparison

Aider

1
Incidents
6.3
Avg Severity
0
Critical
0
High

Top Failure Modes

Wrong File 1

Worst Incident

STUPID-2026-0005 6.3/10
Aider modified wrong file — edited production config instead of dev config

Gitlab Duo

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Security Vulnerability 1

Worst Incident

STUPID-2026-0061 10/10
A hidden comment made GitLab Duo leak private source code and inject rogue HTML

Comparison Summary

Metric Aider Gitlab Duo
Total Incidents 1 1
Avg Severity 6.3/10 10.0/10
Critical Incidents 0 1
Top Failure Mode Wrong File Security Vulnerability

Frequently Asked Questions

Is Aider or Gitlab Duo more reliable?

Based on StupidLLM data, Aider has 1 documented failures (avg severity 6.3/10) while Gitlab Duo has 1 (avg severity 10.0/10). Aider shows better reliability based on average severity scores.

What are the main differences between Aider and Gitlab Duo failures?

Aider's most common failure mode is wrong file, while Gitlab Duo most commonly fails via security vulnerability. Aider has 0 critical incidents vs Gitlab Duo's 1.