Claude Code vs Devin
AI Agent Reliability Comparison
According to StupidLLM's incident database of 64 documented AI agent failures, Claude Code has 8 incidents (avg severity 6.4/10) while Devin has 12 (avg severity 4.9/10). Here's how these two AI coding agents compare on reliability, failure modes, and real-world risk.
Claude Code
Top Failure Modes
Worst Incident
STUPID-2026-0003 10/10Devin
Top Failure Modes
Worst Incident
STUPID-2026-0001 10/10Comparison Summary
| Metric | Claude Code | Devin |
|---|---|---|
| Total Incidents | 8 | 12 |
| Avg Severity | 6.4/10 | 4.9/10 |
| Critical Incidents | 3 | 3 |
| Top Failure Mode | Destructive Action | Scope Explosion |
Frequently Asked Questions
Is Claude Code or Devin more reliable?
Based on StupidLLM's incident database, Claude Code has 8 documented failures (avg severity 6.4/10) while Devin has 12 (avg severity 4.9/10). Devin shows better reliability based on average severity scores.
What are the main differences between Claude Code and Devin failures?
Claude Code's most common failure mode is destructive action, while Devin most commonly fails via scope explosion. Claude Code has 3 critical incidents vs Devin's 3.
Which has more critical-severity failures?
Both Claude Code and Devin have 3 critical-severity incidents — the most dangerous category of AI agent failure.
What is the most dangerous failure mode for Claude Code?
Claude Code's most frequent failure mode is destructive action — its worst documented incident (STUPID-2026-0003) was rated 10/10 severity. Understanding these failure patterns helps teams decide whether Claude Code is safe for their specific use case.
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.
Should I use Claude Code or Devin for production code?
Based on StupidLLM's reliability data, Devin has a lower average failure severity (4.9/10 vs 6.4/10), 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?
Claude Code has 8 verified incidents out of 8 total, while Devin has 12 verified out of 12. 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 Claude Code compare to other AI agents?
StupidLLM tracks 27 AI coding agents. Claude Code has 8 documented failures — placing it in the mid-range for reliability. See the full comparison matrix for context against all tracked agents.
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.