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
Lovable
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Security Vulnerability
1
Worst Incident
STUPID-2026-0031 10/10Lovable-built apps inverted access control, exposing 170+ production databases (CVE-2025-48757)
Comparison Summary
| Metric | Claude Code | Lovable |
|---|---|---|
| Total Incidents | 8 | 1 |
| Avg Severity | 6.4/10 | 10.0/10 |
| Critical Incidents | 3 | 1 |
| Top Failure Mode | Destructive Action | Security Vulnerability |
Frequently Asked Questions
Is Claude Code or Lovable more reliable?
Based on StupidLLM data, Claude Code has 8 documented failures (avg severity 6.4/10) while Lovable has 1 (avg severity 10.0/10). Claude Code shows better reliability based on average severity scores.
What are the main differences between Claude Code and Lovable failures?
Claude Code's most common failure mode is destructive action, while Lovable most commonly fails via security vulnerability. Claude Code has 3 critical incidents vs Lovable's 1.