Devin vs Multiple Llms

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 Multiple Llms has 3 (avg severity 3.8/10). Here's how these two AI coding agents compare on reliability, failure modes, and real-world risk.

Devin

12
Incidents
4.9
Avg Severity
3
Critical
0
High

Top Failure Modes

Scope Explosion 2
Destructive Action 2
Infinite Loop 2

Worst Incident

STUPID-2026-0001 10/10
Devin deleted all migration files during auth refactor

Multiple Llms

3
Incidents
3.8
Avg Severity
0
Critical
0
High

Top Failure Modes

Hallucination 3

Worst Incident

STUPID-2026-0033 6.4/10
Slopsquatting: LLMs hallucinate package names attackers pre-register (react-codeshift, unused-imports)

Comparison Summary

Metric Devin Multiple Llms
Total Incidents 12 3
Avg Severity 4.9/10 3.8/10
Critical Incidents 3 0
Top Failure Mode Scope Explosion Hallucination

Frequently Asked Questions

Is Devin or Multiple Llms more reliable?

Based on StupidLLM's incident database, Devin has 12 documented failures (avg severity 4.9/10) while Multiple Llms has 3 (avg severity 3.8/10). Multiple Llms shows better reliability based on average severity scores.

What are the main differences between Devin and Multiple Llms failures?

Devin's most common failure mode is scope explosion, while Multiple Llms most commonly fails via hallucination. Devin has 3 critical incidents vs Multiple Llms's 0.

Which has more critical-severity failures?

Devin has more critical failures (3 vs 0), indicating a higher likelihood of severe, production-impacting incidents.

What is the most dangerous failure mode for Devin?

Devin's most frequent failure mode is scope explosion — its worst documented incident (STUPID-2026-0001) was rated 10/10 severity. Understanding these failure patterns helps teams decide whether Devin is safe for their specific use case.

What is the most dangerous failure mode for Multiple Llms?

Multiple Llms's most frequent failure mode is hallucination — its worst documented incident (STUPID-2026-0033) was rated 6.4/10 severity. Understanding these failure patterns helps teams decide whether Multiple Llms is safe for their specific use case.

Should I use Devin or Multiple Llms for production code?

Based on StupidLLM's reliability data, Multiple Llms has a lower average failure severity (3.8/10 vs 4.9/10), 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 Multiple Llms has 3 verified out of 3. Verified incidents are confirmed against source evidence (GitHub PRs, bug reports, news articles), making them the most reliable data points in StupidLLM's database.

How does Devin compare to other AI agents?

StupidLLM tracks 27 AI coding agents. Devin has 12 documented failures — placing it in the mid-range for reliability. See the full comparison matrix for context against all tracked agents.

How does Multiple Llms compare to other AI agents?

StupidLLM tracks 27 AI coding agents. Multiple Llms has 3 documented failures — placing it among the more reliable agents tracked. See the full comparison matrix for context against all tracked agents.