Github Copilot
4
Incidents
10.0
Avg Severity
4
Critical
0
High
Top Failure Modes
Security Vulnerability
4
Worst Incident
STUPID-2026-0004 10/10Copilot autocompleted AWS credentials into public repository
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 | Github Copilot | Manus |
|---|---|---|
| Total Incidents | 4 | 1 |
| Avg Severity | 10.0/10 | 7.5/10 |
| Critical Incidents | 4 | 0 |
| Top Failure Mode | Security Vulnerability | Security Vulnerability |
Frequently Asked Questions
Is Github Copilot or Manus more reliable?
Based on StupidLLM data, Github Copilot has 4 documented failures (avg severity 10.0/10) while Manus has 1 (avg severity 7.5/10). Manus shows better reliability based on average severity scores.
What are the main differences between Github Copilot and Manus failures?
Github Copilot's most common failure mode is security vulnerability, while Manus most commonly fails via security vulnerability. Github Copilot has 4 critical incidents vs Manus's 0.