Aider vs Cursor
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 Cursor has 5 (avg severity 6.1/10).
Cursor
Top Failure Modes
Comparison Summary
| Metric | Aider | Cursor |
|---|---|---|
| Total Incidents | 1 | 5 |
| Avg Severity | 6.3/10 | 6.1/10 |
| Critical | 0 | 2 |
| Verified | 1 | 5 |
| Top Failure Mode | Wrong File | Infinite Loop |
Frequently Asked Questions
Is Aider or Cursor more reliable?
Based on StupidLLM's incident database, Aider has 1 documented failures (avg severity 6.3/10) while Cursor has 5 (avg severity 6.1/10). Cursor shows better reliability.
What are the main differences between Aider and Cursor failures?
Aider's most common failure mode is Wrong File, while Cursor most commonly fails via Infinite Loop. Aider has 0 critical incidents vs Cursor's 2.
Which has more critical-severity failures?
Cursor has more critical failures (2 vs 0), indicating a higher likelihood of severe, production-impacting incidents.
Should I use Aider or Cursor for production code?
Cursor has a lower average failure severity (6.1/10 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 Cursor has 5 verified out of 5. Verified incidents are confirmed against source evidence.