Devin vs Microsoft 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 Microsoft Copilot has 1 (avg severity 10.0/10).

Devin

12
Incidents
4.9
Avg Severity
3
Critical
0
High

Top Failure Modes

Destructive Action2
Infinite Loop2
Scope Explosion2

Microsoft Copilot

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Security Vulnerability1

Comparison Summary

MetricDevinMicrosoft Copilot
Total Incidents121
Avg Severity4.9/1010.0/10
Critical31
Verified121
Top Failure ModeDestructive ActionSecurity Vulnerability

Frequently Asked Questions

Is Devin or Microsoft Copilot more reliable?

Based on StupidLLM's incident database, Devin has 12 documented failures (avg severity 4.9/10) while Microsoft Copilot has 1 (avg severity 10.0/10). Devin shows better reliability.

What are the main differences between Devin and Microsoft Copilot failures?

Devin's most common failure mode is Destructive Action, while Microsoft Copilot most commonly fails via Security Vulnerability. Devin has 3 critical incidents vs Microsoft Copilot's 1.

Which has more critical-severity failures?

Devin has more critical failures (3 vs 1), indicating a higher likelihood of severe, production-impacting incidents.

Should I use Devin or Microsoft 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 Microsoft Copilot has 1 verified out of 1. Verified incidents are confirmed against source evidence.