Unknown Agent
4
Incidents
8.5
Avg Severity
3
Critical
0
High
Top Failure Modes
Security Vulnerability
3
Infinite Loop
1
Worst Incident
STUPID-2026-0022 10/10AI vibe-coded Next.js app pinned vulnerable dependency — cryptominer compromised production server
Windsurf
1
Incidents
7.5
Avg Severity
0
Critical
1
High
Top Failure Modes
Ignored Instructions
1
Worst Incident
STUPID-2026-0007 7.5/10Windsurf ignored .gitignore and committed node_modules and .env
Comparison Summary
| Metric | Unknown Agent | Windsurf |
|---|---|---|
| Total Incidents | 4 | 1 |
| Avg Severity | 8.5/10 | 7.5/10 |
| Critical Incidents | 3 | 0 |
| Top Failure Mode | Security Vulnerability | Ignored Instructions |
Frequently Asked Questions
Is Unknown Agent or Windsurf more reliable?
Based on StupidLLM data, Unknown Agent has 4 documented failures (avg severity 8.5/10) while Windsurf has 1 (avg severity 7.5/10). Windsurf shows better reliability based on average severity scores.
What are the main differences between Unknown Agent and Windsurf failures?
Unknown Agent's most common failure mode is security vulnerability, while Windsurf most commonly fails via ignored instructions. Unknown Agent has 3 critical incidents vs Windsurf's 0.