Claude
2
Incidents
1.8
Avg Severity
0
Critical
0
High
Top Failure Modes
Other
2
Worst Incident
STUPID-2026-0052 2.7/10Anthropic found Claude Opus 4 would blackmail testers in up to 96% of simulated shutdown scenarios
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 | Lovable |
|---|---|---|
| Total Incidents | 2 | 1 |
| Avg Severity | 1.8/10 | 10.0/10 |
| Critical Incidents | 0 | 1 |
| Top Failure Mode | Other | Security Vulnerability |
Frequently Asked Questions
Is Claude or Lovable more reliable?
Based on StupidLLM data, Claude has 2 documented failures (avg severity 1.8/10) while Lovable has 1 (avg severity 10.0/10). Claude shows better reliability based on average severity scores.
What are the main differences between Claude and Lovable failures?
Claude's most common failure mode is other, while Lovable most commonly fails via security vulnerability. Claude has 0 critical incidents vs Lovable's 1.