Aider
1
Incidents
6.3
Avg Severity
0
Critical
0
High
Top Failure Modes
Wrong File
1
Worst Incident
STUPID-2026-0005 6.3/10Aider modified wrong file — edited production config instead of dev config
Manus
1
Incidents
7.5
Avg Severity
0
Critical
1
High
Top Failure Modes
Security Vulnerability
1
Worst Incident
STUPID-2026-0063 7.5/10Manus AI leaked its own system prompt when a user simply asked it to read its internal directory
Comparison Summary
| Metric | Aider | Manus |
|---|---|---|
| Total Incidents | 1 | 1 |
| Avg Severity | 6.3/10 | 7.5/10 |
| Critical Incidents | 0 | 0 |
| Top Failure Mode | Wrong File | Security Vulnerability |
Frequently Asked Questions
Is Aider or Manus more reliable?
Based on StupidLLM data, Aider has 1 documented failures (avg severity 6.3/10) while Manus has 1 (avg severity 7.5/10). Aider shows better reliability based on average severity scores.
What are the main differences between Aider and Manus failures?
Aider's most common failure mode is wrong file, while Manus most commonly fails via security vulnerability. Aider has 0 critical incidents vs Manus's 0.