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Aider vs Claude Code

AI Agent Reliability Comparison

Aider

1
Incidents
6.3
Avg Severity
0
Critical
0
High

Top Failure Modes

Wrong File 1

Claude Code

4
Incidents
6.8
Avg Severity
1
Critical
2
High

Top Failure Modes

Security Vulnerability 2
Destructive Action 1
Hallucination 1

Comparison Summary

Metric Aider Claude Code
Total Incidents 1 4
Avg Severity 6.3/10 6.8/10
Critical Incidents 0 1
Top Failure Mode Wrong File Security Vulnerability

Frequently Asked Questions

Is Aider or Claude Code more reliable?

Based on StupidLLM data, Aider has 1 documented failures (avg severity 6.3/10) while Claude Code has 4 (avg severity 6.8/10). Aider shows better reliability based on average severity scores.

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

Aider's most common failure mode is wrong file, while Claude Code most commonly fails via security vulnerability. Aider has 0 critical incidents vs Claude Code's 1.