Claude Code
8
Incidents
6.4
Avg Severity
3
Critical
2
High
Top Failure Modes
Destructive Action
3
Other
2
Security Vulnerability
2
Worst Incident
STUPID-2026-0003 10/10Claude Code ran rm -rf on test fixtures thinking they were temp files
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 10/10Devin deleted all migration files during auth refactor
Comparison 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 data, 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.