Cursor vs Devin

AI Agent Reliability Comparison

According to StupidLLM's incident database of 64 documented AI agent failures, Cursor has 5 incidents (avg severity 6.1/10) while Devin has 12 (avg severity 4.9/10).

Cursor

5
Incidents
6.1
Avg Severity
2
Critical
0
High

Top Failure Modes

Infinite Loop1
Scope Explosion1
Destructive Action1

Devin

12
Incidents
4.9
Avg Severity
3
Critical
0
High

Top Failure Modes

Destructive Action2
Infinite Loop2
Scope Explosion2

Comparison Summary

MetricCursorDevin
Total Incidents512
Avg Severity6.1/104.9/10
Critical23
Verified512
Top Failure ModeInfinite LoopDestructive Action

Frequently Asked Questions

Is Cursor or Devin more reliable?

Based on StupidLLM's incident database, Cursor has 5 documented failures (avg severity 6.1/10) while Devin has 12 (avg severity 4.9/10). Devin shows better reliability.

What are the main differences between Cursor and Devin failures?

Cursor's most common failure mode is Infinite Loop, while Devin most commonly fails via Destructive Action. Cursor has 2 critical incidents vs Devin's 3.

Which has more critical-severity failures?

Devin has more critical failures (3 vs 2), indicating a higher likelihood of severe, production-impacting incidents.

Should I use Cursor or Devin for production code?

Devin has a lower average failure severity (4.9/10 vs 6.1/10), 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?

Cursor has 5 verified incidents out of 5 total, while Devin has 12 verified out of 12. Verified incidents are confirmed against source evidence.