Github Copilot vs Unknown Agent

AI Agent Reliability Comparison

Github Copilot

4
Incidents
10.0
Avg Severity
4
Critical
0
High

Top Failure Modes

Security Vulnerability 4

Worst Incident

STUPID-2026-0004 10/10
Copilot autocompleted AWS credentials into public repository

Unknown Agent

4
Incidents
8.5
Avg Severity
3
Critical
0
High

Top Failure Modes

Security Vulnerability 3
Infinite Loop 1

Worst Incident

STUPID-2026-0022 10/10
AI vibe-coded Next.js app pinned vulnerable dependency — cryptominer compromised production server

Comparison Summary

Metric Github Copilot Unknown Agent
Total Incidents 4 4
Avg Severity 10.0/10 8.5/10
Critical Incidents 4 3
Top Failure Mode Security Vulnerability Security Vulnerability

Frequently Asked Questions

Is Github Copilot or Unknown Agent more reliable?

Based on StupidLLM data, Github Copilot has 4 documented failures (avg severity 10.0/10) while Unknown Agent has 4 (avg severity 8.5/10). Unknown Agent shows better reliability based on average severity scores.

What are the main differences between Github Copilot and Unknown Agent failures?

Github Copilot's most common failure mode is security vulnerability, while Unknown Agent most commonly fails via security vulnerability. Github Copilot has 4 critical incidents vs Unknown Agent's 3.