Cursor vs Github Copilot
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 Github Copilot has 4 (avg severity 10.0/10).
Cursor
Top Failure Modes
Comparison Summary
| Metric | Cursor | Github Copilot |
|---|---|---|
| Total Incidents | 5 | 4 |
| Avg Severity | 6.1/10 | 10.0/10 |
| Critical | 2 | 4 |
| Verified | 5 | 4 |
| Top Failure Mode | Infinite Loop | Security Vulnerability |
Frequently Asked Questions
Is Cursor or Github Copilot more reliable?
Based on StupidLLM's incident database, Cursor has 5 documented failures (avg severity 6.1/10) while Github Copilot has 4 (avg severity 10.0/10). Cursor shows better reliability.
What are the main differences between Cursor and Github Copilot failures?
Cursor's most common failure mode is Infinite Loop, while Github Copilot most commonly fails via Security Vulnerability. Cursor has 2 critical incidents vs Github Copilot's 4.
Which has more critical-severity failures?
Github Copilot has more critical failures (4 vs 2), indicating a higher likelihood of severe, production-impacting incidents.
Should I use Cursor or Github Copilot for production code?
Cursor has a lower average failure severity (6.1/10 vs 10.0/10), 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 Github Copilot has 4 verified out of 4. Verified incidents are confirmed against source evidence.