Devin
12
Incidents
4.9
Avg Severity
3
Critical
0
High
Top Failure Modes
Scope Explosion
2
Destructive Action
2
Infinite Loop
2
Worst Incident
STUPID-2026-0001 10/10Devin deleted all migration files during auth refactor
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 | Devin | Windsurf |
|---|---|---|
| Total Incidents | 12 | 1 |
| Avg Severity | 4.9/10 | 7.5/10 |
| Critical Incidents | 3 | 0 |
| Top Failure Mode | Scope Explosion | Ignored Instructions |
Frequently Asked Questions
Is Devin or Windsurf more reliable?
Based on StupidLLM data, Devin has 12 documented failures (avg severity 4.9/10) while Windsurf has 1 (avg severity 7.5/10). Devin shows better reliability based on average severity scores.
What are the main differences between Devin and Windsurf failures?
Devin's most common failure mode is scope explosion, while Windsurf most commonly fails via ignored instructions. Devin has 3 critical incidents vs Windsurf's 0.