Aider vs Multiple Llms

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

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)

Comparison Summary

Metric Aider Multiple Llms
Total Incidents 1 3
Avg Severity 6.3/10 3.8/10
Critical Incidents 0 0
Top Failure Mode Wrong File Hallucination

Frequently Asked Questions

Is Aider or Multiple Llms more reliable?

Based on StupidLLM data, Aider has 1 documented failures (avg severity 6.3/10) while Multiple Llms has 3 (avg severity 3.8/10). Multiple Llms shows better reliability based on average severity scores.

What are the main differences between Aider and Multiple Llms failures?

Aider's most common failure mode is wrong file, while Multiple Llms most commonly fails via hallucination. Aider has 0 critical incidents vs Multiple Llms's 0.