Aider vs Claude

AI Agent Reliability Comparison

According to StupidLLM's incident database of 64 documented AI agent failures, Aider has 1 incidents (avg severity 6.3/10) while Claude has 2 (avg severity 1.8/10).

Aider

1
Incidents
6.3
Avg Severity
0
Critical
0
High

Top Failure Modes

Wrong File1

Claude

2
Incidents
1.8
Avg Severity
0
Critical
0
High

Top Failure Modes

Other2

Comparison Summary

MetricAiderClaude
Total Incidents12
Avg Severity6.3/101.8/10
Critical00
Verified12
Top Failure ModeWrong FileOther

Frequently Asked Questions

Is Aider or Claude more reliable?

Based on StupidLLM's incident database, Aider has 1 documented failures (avg severity 6.3/10) while Claude has 2 (avg severity 1.8/10). Claude shows better reliability.

What are the main differences between Aider and Claude failures?

Aider's most common failure mode is Wrong File, while Claude most commonly fails via Other. Aider has 0 critical incidents vs Claude's 0.

Which has more critical-severity failures?

Both Aider and Claude have 0 critical-severity incidents.

Should I use Aider or Claude for production code?

Claude has a lower average failure severity (1.8/10 vs 6.3/10), 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?

Aider has 1 verified incidents out of 1 total, while Claude has 2 verified out of 2. Verified incidents are confirmed against source evidence.