Cursor vs Manus
AI Agent Reliability Comparison
According to StupidLLM's incident database of 64 documented AI agent failures, Cursor has 5 incidents (avg severity 6.1/10) while Manus has 1 (avg severity 7.5/10).
Cursor
Top Failure Modes
Comparison Summary
| Metric | Cursor | Manus |
|---|---|---|
| Total Incidents | 5 | 1 |
| Avg Severity | 6.1/10 | 7.5/10 |
| Critical | 2 | 0 |
| Verified | 5 | 1 |
| Top Failure Mode | Infinite Loop | Security Vulnerability |
Frequently Asked Questions
Is Cursor or Manus more reliable?
Based on StupidLLM's incident database, Cursor has 5 documented failures (avg severity 6.1/10) while Manus has 1 (avg severity 7.5/10). Cursor shows better reliability.
What are the main differences between Cursor and Manus failures?
Cursor's most common failure mode is Infinite Loop, while Manus most commonly fails via Security Vulnerability. Cursor has 2 critical incidents vs Manus's 0.
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 Cursor or Manus for production code?
Cursor has a lower average failure severity (6.1/10 vs 7.5/10), 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?
Cursor has 5 verified incidents out of 5 total, while Manus has 1 verified out of 1. Verified incidents are confirmed against source evidence.