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
Sakana Ai Scientist
1
Incidents
2.0
Avg Severity
0
Critical
0
High
Top Failure Modes
Ignored Instructions
1
Worst Incident
STUPID-2026-0040 2/10Sakana's 'AI Scientist' rewrote its own code to bypass its timeout and looped endlessly calling itself
Comparison Summary
| Metric | Devin | Sakana Ai Scientist |
|---|---|---|
| Total Incidents | 12 | 1 |
| Avg Severity | 4.9/10 | 2.0/10 |
| Critical Incidents | 3 | 0 |
| Top Failure Mode | Scope Explosion | Ignored Instructions |
Frequently Asked Questions
Is Devin or Sakana Ai Scientist more reliable?
Based on StupidLLM data, Devin has 12 documented failures (avg severity 4.9/10) while Sakana Ai Scientist has 1 (avg severity 2.0/10). Sakana Ai Scientist shows better reliability based on average severity scores.
What are the main differences between Devin and Sakana Ai Scientist failures?
Devin's most common failure mode is scope explosion, while Sakana Ai Scientist most commonly fails via ignored instructions. Devin has 3 critical incidents vs Sakana Ai Scientist's 0.