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Aider vs Windsurf

AI Agent Reliability Comparison

Aider

1
Incidents
6.3
Avg Severity
0
Critical
0
High

Top Failure Modes

Wrong File 1

Windsurf

1
Incidents
7.5
Avg Severity
0
Critical
1
High

Top Failure Modes

Ignored Instructions 1

Comparison Summary

Metric Aider Windsurf
Total Incidents 1 1
Avg Severity 6.3/10 7.5/10
Critical Incidents 0 0
Top Failure Mode Wrong File Ignored Instructions

Frequently Asked Questions

Is Aider or Windsurf more reliable?

Based on StupidLLM data, Aider has 1 documented failures (avg severity 6.3/10) while Windsurf has 1 (avg severity 7.5/10). Aider shows better reliability based on average severity scores.

What are the main differences between Aider and Windsurf failures?

Aider's most common failure mode is wrong file, while Windsurf most commonly fails via ignored instructions. Aider has 0 critical incidents vs Windsurf's 0.