Multiple Llms vs Unknown Agent

AI Agent Reliability Comparison

Multiple Llms

3
Incidents
3.8
Avg Severity
0
Critical
0
High

Top Failure Modes

Hallucination 3

Worst Incident

STUPID-2026-0033 6.4/10
Slopsquatting: LLMs hallucinate package names attackers pre-register (react-codeshift, unused-imports)

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 Multiple Llms Unknown Agent
Total Incidents 3 4
Avg Severity 3.8/10 8.5/10
Critical Incidents 0 3
Top Failure Mode Hallucination Security Vulnerability

Frequently Asked Questions

Is Multiple Llms or Unknown Agent more reliable?

Based on StupidLLM data, Multiple Llms has 3 documented failures (avg severity 3.8/10) while Unknown Agent has 4 (avg severity 8.5/10). Multiple Llms shows better reliability based on average severity scores.

What are the main differences between Multiple Llms and Unknown Agent failures?

Multiple Llms's most common failure mode is hallucination, while Unknown Agent most commonly fails via security vulnerability. Multiple Llms has 0 critical incidents vs Unknown Agent's 3.