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Cursor vs Windsurf

AI Agent Reliability Comparison

Cursor

2
Incidents
3.8
Avg Severity
0
Critical
0
High

Top Failure Modes

Infinite Loop 1
Scope Explosion 1

Windsurf

1
Incidents
7.5
Avg Severity
0
Critical
1
High

Top Failure Modes

Ignored Instructions 1

Comparison Summary

Metric Cursor Windsurf
Total Incidents 2 1
Avg Severity 3.8/10 7.5/10
Critical Incidents 0 0
Top Failure Mode Infinite Loop Ignored Instructions

Frequently Asked Questions

Is Cursor or Windsurf more reliable?

Based on StupidLLM data, Cursor has 2 documented failures (avg severity 3.8/10) while Windsurf has 1 (avg severity 7.5/10). Cursor shows better reliability based on average severity scores.

What are the main differences between Cursor and Windsurf failures?

Cursor's most common failure mode is infinite loop, while Windsurf most commonly fails via ignored instructions. Cursor has 0 critical incidents vs Windsurf's 0.