Lovable vs Windsurf

AI Agent Reliability Comparison

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)

Windsurf

1
Incidents
7.5
Avg Severity
0
Critical
1
High

Top Failure Modes

Ignored Instructions 1

Worst Incident

STUPID-2026-0007 7.5/10
Windsurf ignored .gitignore and committed node_modules and .env

Comparison Summary

Metric Lovable Windsurf
Total Incidents 1 1
Avg Severity 10.0/10 7.5/10
Critical Incidents 1 0
Top Failure Mode Security Vulnerability Ignored Instructions

Frequently Asked Questions

Is Lovable or Windsurf more reliable?

Based on StupidLLM data, Lovable has 1 documented failures (avg severity 10.0/10) while Windsurf has 1 (avg severity 7.5/10). Windsurf shows better reliability based on average severity scores.

What are the main differences between Lovable and Windsurf failures?

Lovable's most common failure mode is security vulnerability, while Windsurf most commonly fails via ignored instructions. Lovable has 1 critical incidents vs Windsurf's 0.