Aider vs Devin

AI Agent Reliability Comparison

According to StupidLLM's incident database of 64 documented AI agent failures, Aider has 1 incidents (avg severity 6.3/10) while Devin has 12 (avg severity 4.9/10).

Aider

1
Incidents
6.3
Avg Severity
0
Critical
0
High

Top Failure Modes

Wrong File1

Devin

12
Incidents
4.9
Avg Severity
3
Critical
0
High

Top Failure Modes

Destructive Action2
Infinite Loop2
Scope Explosion2

Comparison Summary

MetricAiderDevin
Total Incidents112
Avg Severity6.3/104.9/10
Critical03
Verified112
Top Failure ModeWrong FileDestructive Action

Frequently Asked Questions

Is Aider or Devin more reliable?

Based on StupidLLM's incident database, Aider has 1 documented failures (avg severity 6.3/10) while Devin has 12 (avg severity 4.9/10). Devin shows better reliability.

What are the main differences between Aider and Devin failures?

Aider's most common failure mode is Wrong File, while Devin most commonly fails via Destructive Action. Aider has 0 critical incidents vs Devin's 3.

Which has more critical-severity failures?

Devin has more critical failures (3 vs 0), indicating a higher likelihood of severe, production-impacting incidents.

Should I use Aider or Devin for production code?

Devin has a lower average failure severity (4.9/10 vs 6.3/10), making it the statistically safer choice for production environments. However, both agents have documented critical incidents — no AI coding agent is risk-free.

How many verified incidents does each agent have?

Aider has 1 verified incidents out of 1 total, while Devin has 12 verified out of 12. Verified incidents are confirmed against source evidence.