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
Multiple Agents
5
Incidents
4.8
Avg Severity
1
Critical
0
High
Top Failure Modes
Other
2
Infinite Loop
1
Logic Error
1
Worst Incident
STUPID-2026-0032 10/10Scan of 5,600 vibe-coded apps found 2,000+ high-impact vulns, 400+ exposed secrets, PII leaks
Comparison Summary
| Metric | Claude Cowork | Multiple Agents |
|---|---|---|
| Total Incidents | 1 | 5 |
| Avg Severity | 10.0/10 | 4.8/10 |
| Critical Incidents | 1 | 1 |
| Top Failure Mode | Destructive Action | Other |
Frequently Asked Questions
Is Claude Cowork or Multiple Agents more reliable?
Based on StupidLLM data, Claude Cowork has 1 documented failures (avg severity 10.0/10) while Multiple Agents has 5 (avg severity 4.8/10). Multiple Agents shows better reliability based on average severity scores.
What are the main differences between Claude Cowork and Multiple Agents failures?
Claude Cowork's most common failure mode is destructive action, while Multiple Agents most commonly fails via other. Claude Cowork has 1 critical incidents vs Multiple Agents's 1.