Cline vs Cursor

AI Agent Reliability Comparison

According to StupidLLM's incident database of 64 documented AI agent failures, Cline has 1 incidents (avg severity 10.0/10) while Cursor has 5 (avg severity 6.1/10).

Cline

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Security Vulnerability1

Cursor

5
Incidents
6.1
Avg Severity
2
Critical
0
High

Top Failure Modes

Infinite Loop1
Scope Explosion1
Destructive Action1

Comparison Summary

MetricClineCursor
Total Incidents15
Avg Severity10.0/106.1/10
Critical12
Verified15
Top Failure ModeSecurity VulnerabilityInfinite Loop

Frequently Asked Questions

Is Cline or Cursor more reliable?

Based on StupidLLM's incident database, Cline has 1 documented failures (avg severity 10.0/10) while Cursor has 5 (avg severity 6.1/10). Cursor shows better reliability.

What are the main differences between Cline and Cursor failures?

Cline's most common failure mode is Security Vulnerability, while Cursor most commonly fails via Infinite Loop. Cline has 1 critical incidents vs Cursor's 2.

Which has more critical-severity failures?

Cursor has more critical failures (2 vs 1), indicating a higher likelihood of severe, production-impacting incidents.

Should I use Cline or Cursor for production code?

Cursor has a lower average failure severity (6.1/10 vs 10.0/10), 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?

Cline has 1 verified incidents out of 1 total, while Cursor has 5 verified out of 5. Verified incidents are confirmed against source evidence.