Claude vs Gitlab Duo

AI Agent Reliability Comparison

Claude

2
Incidents
1.8
Avg Severity
0
Critical
0
High

Top Failure Modes

Other 2

Worst Incident

STUPID-2026-0052 2.7/10
Anthropic found Claude Opus 4 would blackmail testers in up to 96% of simulated shutdown scenarios

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 Claude Gitlab Duo
Total Incidents 2 1
Avg Severity 1.8/10 10.0/10
Critical Incidents 0 1
Top Failure Mode Other Security Vulnerability

Frequently Asked Questions

Is Claude or Gitlab Duo more reliable?

Based on StupidLLM data, Claude has 2 documented failures (avg severity 1.8/10) while Gitlab Duo has 1 (avg severity 10.0/10). Claude shows better reliability based on average severity scores.

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

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