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Claude Code vs Cursor

AI Agent Reliability Comparison

Claude Code

4
Incidents
6.8
Avg Severity
1
Critical
2
High

Top Failure Modes

Security Vulnerability 2
Destructive Action 1
Hallucination 1

Cursor

2
Incidents
3.8
Avg Severity
0
Critical
0
High

Top Failure Modes

Infinite Loop 1
Scope Explosion 1

Comparison Summary

Metric Claude Code Cursor
Total Incidents 4 2
Avg Severity 6.8/10 3.8/10
Critical Incidents 1 0
Top Failure Mode Security Vulnerability Infinite Loop

Frequently Asked Questions

Is Claude Code or Cursor more reliable?

Based on StupidLLM data, Claude Code has 4 documented failures (avg severity 6.8/10) while Cursor has 2 (avg severity 3.8/10). Cursor shows better reliability based on average severity scores.

What are the main differences between Claude Code and Cursor failures?

Claude Code's most common failure mode is security vulnerability, while Cursor most commonly fails via infinite loop. Claude Code has 1 critical incidents vs Cursor's 0.