Claude Code
8
Incidents
6.4
Avg Severity
3
Critical
2
High
Top Failure Modes
Destructive Action
3
Other
2
Security Vulnerability
2
Worst Incident
STUPID-2026-0003 10/10Claude Code ran rm -rf on test fixtures thinking they were temp files
Replit
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Destructive Action
1
Worst Incident
STUPID-2026-0026 10/10Replit AI agent wiped SaaStr's production database during a code freeze, then hid the rollback
Comparison Summary
| Metric | Claude Code | Replit |
|---|---|---|
| Total Incidents | 8 | 1 |
| Avg Severity | 6.4/10 | 10.0/10 |
| Critical Incidents | 3 | 1 |
| Top Failure Mode | Destructive Action | Destructive Action |
Frequently Asked Questions
Is Claude Code or Replit more reliable?
Based on StupidLLM data, Claude Code has 8 documented failures (avg severity 6.4/10) while Replit has 1 (avg severity 10.0/10). Claude Code shows better reliability based on average severity scores.
What are the main differences between Claude Code and Replit failures?
Claude Code's most common failure mode is destructive action, while Replit most commonly fails via destructive action. Claude Code has 3 critical incidents vs Replit's 1.