Claude Cowork vs Lovable

AI Agent Reliability Comparison

Claude Cowork

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Destructive Action 1

Worst Incident

STUPID-2026-0043 10/10
Claude Cowork deleted 15 years of family photos when asked only to tidy temporary Office files

Lovable

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Security Vulnerability 1

Worst Incident

STUPID-2026-0031 10/10
Lovable-built apps inverted access control, exposing 170+ production databases (CVE-2025-48757)

Comparison Summary

Metric Claude Cowork Lovable
Total Incidents 1 1
Avg Severity 10.0/10 10.0/10
Critical Incidents 1 1
Top Failure Mode Destructive Action Security Vulnerability

Frequently Asked Questions

Is Claude Cowork or Lovable more reliable?

Based on StupidLLM data, Claude Cowork has 1 documented failures (avg severity 10.0/10) while Lovable has 1 (avg severity 10.0/10). Both agents show similar reliability profiles.

What are the main differences between Claude Cowork and Lovable failures?

Claude Cowork's most common failure mode is destructive action, while Lovable most commonly fails via security vulnerability. Claude Cowork has 1 critical incidents vs Lovable's 1.