Devin vs Github Copilot
AI Agent Reliability Comparison
According to StupidLLM's incident database of 64 documented AI agent failures, Devin has 12 incidents (avg severity 4.9/10) while Github Copilot has 4 (avg severity 10.0/10).
Devin
Top Failure Modes
Comparison Summary
| Metric | Devin | Github Copilot |
|---|---|---|
| Total Incidents | 12 | 4 |
| Avg Severity | 4.9/10 | 10.0/10 |
| Critical | 3 | 4 |
| Verified | 12 | 4 |
| Top Failure Mode | Destructive Action | Security Vulnerability |
Frequently Asked Questions
Is Devin or Github Copilot more reliable?
Based on StupidLLM's incident database, Devin has 12 documented failures (avg severity 4.9/10) while Github Copilot has 4 (avg severity 10.0/10). Devin shows better reliability.
What are the main differences between Devin and Github Copilot failures?
Devin's most common failure mode is Destructive Action, while Github Copilot most commonly fails via Security Vulnerability. Devin has 3 critical incidents vs Github Copilot's 4.
Which has more critical-severity failures?
Github Copilot has more critical failures (4 vs 3), indicating a higher likelihood of severe, production-impacting incidents.
Should I use Devin or Github Copilot for production code?
Devin has a lower average failure severity (4.9/10 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?
Devin has 12 verified incidents out of 12 total, while Github Copilot has 4 verified out of 4. Verified incidents are confirmed against source evidence.