Is Cline or GitHub Copilot more reliable?

Based on StupidLLM's incident database, Cline has 8 documented failures (avg severity 5.7/10) while GitHub Copilot has 6 (avg severity 7.8/10). Cline shows better reliability.

What are the main differences between Cline and GitHub Copilot failures?

Cline's most common failure mode is Destructive Action, while GitHub Copilot most commonly fails via Security Vulnerability. Cline has 1 critical incidents vs GitHub Copilot's 3.

Which has more critical-severity failures?

GitHub Copilot has more critical failures (3 vs 1), indicating a higher likelihood of severe, production-impacting incidents.

Should I use Cline or GitHub Copilot for production code?

Cline has a lower average failure severity (5.7/10 vs 7.8/10), 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?

Cline has 8 verified incidents out of 8 total, while GitHub Copilot has 6 verified out of 6. Verified incidents are confirmed against source evidence.

Head to head

Cline vs GitHub Copilot

Comparing 8 documented Cline incidents against 6 for GitHub Copilot.

Full Clinereport →Full GitHub Copilotreport →

Verdict

Cline has the lower average failure severity (5.7/10 vs 7.8/10), making it the statistically safer choice of the two — though both agents have documented critical incidents.