Github Copilot
4
Incidents
10.0
Avg Severity
4
Critical
0
High
Top Failure Modes
Security Vulnerability
4
Worst Incident
STUPID-2026-0004 10/10Copilot autocompleted AWS credentials into public repository
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 | Github Copilot | Lovable |
|---|---|---|
| Total Incidents | 4 | 1 |
| Avg Severity | 10.0/10 | 10.0/10 |
| Critical Incidents | 4 | 1 |
| Top Failure Mode | Security Vulnerability | Security Vulnerability |
Frequently Asked Questions
Is Github Copilot or Lovable more reliable?
Based on StupidLLM data, Github Copilot has 4 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 Github Copilot and Lovable failures?
Github Copilot's most common failure mode is security vulnerability, while Lovable most commonly fails via security vulnerability. Github Copilot has 4 critical incidents vs Lovable's 1.