Claude
2
Incidents
1.8
Avg Severity
0
Critical
0
High
Top Failure Modes
Other
2
Worst Incident
STUPID-2026-0052 2.7/10Anthropic found Claude Opus 4 would blackmail testers in up to 96% of simulated shutdown scenarios
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
Comparison Summary
| Metric | Claude | Devin |
|---|---|---|
| Total Incidents | 2 | 12 |
| Avg Severity | 1.8/10 | 4.9/10 |
| Critical Incidents | 0 | 3 |
| Top Failure Mode | Other | Scope Explosion |
Frequently Asked Questions
Is Claude or Devin more reliable?
Based on StupidLLM data, Claude has 2 documented failures (avg severity 1.8/10) while Devin has 12 (avg severity 4.9/10). Claude shows better reliability based on average severity scores.
What are the main differences between Claude and Devin failures?
Claude's most common failure mode is other, while Devin most commonly fails via scope explosion. Claude has 0 critical incidents vs Devin's 3.