Github Copilot vs Windsurf
AI Agent Reliability Comparison
According to StupidLLM's incident database of 64 documented AI agent failures, Github Copilot has 4 incidents (avg severity 10.0/10) while Windsurf has 1 (avg severity 7.5/10).
Comparison Summary
| Metric | Github Copilot | Windsurf |
|---|---|---|
| Total Incidents | 4 | 1 |
| Avg Severity | 10.0/10 | 7.5/10 |
| Critical | 4 | 0 |
| Verified | 4 | 1 |
| Top Failure Mode | Security Vulnerability | Ignored Instructions |
Frequently Asked Questions
Is Github Copilot or Windsurf more reliable?
Based on StupidLLM's incident database, Github Copilot has 4 documented failures (avg severity 10.0/10) while Windsurf has 1 (avg severity 7.5/10). Windsurf shows better reliability.
What are the main differences between Github Copilot and Windsurf failures?
Github Copilot's most common failure mode is Security Vulnerability, while Windsurf most commonly fails via Ignored Instructions. Github Copilot has 4 critical incidents vs Windsurf's 0.
Which has more critical-severity failures?
Github Copilot has more critical failures (4 vs 0), indicating a higher likelihood of severe, production-impacting incidents.
Should I use Github Copilot or Windsurf for production code?
Windsurf has a lower average failure severity (7.5/10 vs 10.0/10), making it the statistically safer choice for production environments. However, both agents have documented critical incidents — no AI coding agent is risk-free.
How many verified incidents does each agent have?
Github Copilot has 4 verified incidents out of 4 total, while Windsurf has 1 verified out of 1. Verified incidents are confirmed against source evidence.