Claude Cowork
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Destructive Action
1
Worst Incident
STUPID-2026-0043 10/10Claude Cowork deleted 15 years of family photos when asked only to tidy temporary Office 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 Cowork | Devin |
|---|---|---|
| Total Incidents | 1 | 12 |
| Avg Severity | 10.0/10 | 4.9/10 |
| Critical Incidents | 1 | 3 |
| Top Failure Mode | Destructive Action | Scope Explosion |
Frequently Asked Questions
Is Claude Cowork or Devin more reliable?
Based on StupidLLM data, Claude Cowork has 1 documented failures (avg severity 10.0/10) 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 Cowork and Devin failures?
Claude Cowork's most common failure mode is destructive action, while Devin most commonly fails via scope explosion. Claude Cowork has 1 critical incidents vs Devin's 3.