Is Gemini CLI or GitHub Copilot more reliable?

StupidLLM has 7 documented incidents for Gemini CLI (average severity 6.0/10) and 6 for GitHub Copilot (7.3/10). These records can't establish which agent is safer: counts reflect how widely each is used and how often people report failures, not a failure rate.

What are the main differences between Gemini CLI and GitHub Copilot failures?

Gemini CLI's most common failure mode is Destructive Action, while GitHub Copilot most commonly fails via Security Vulnerability. Gemini CLI has 1 critical incidents vs GitHub Copilot's 0.

Which has more critical-severity failures?

Gemini CLI has more critical failures (1 vs 0), indicating a higher likelihood of severe, production-impacting incidents.

How many verified incidents does each agent have?

Gemini CLI has 6 verified incidents out of 7 total, while GitHub Copilot has 6 verified out of 6. Verified incidents are confirmed against source evidence.

Head to head

Gemini CLI vs GitHub Copilot

Comparing 7 documented Gemini CLI incidents against 6 for GitHub Copilot.

Full Gemini CLIreport →Full GitHub Copilotreport →

What these records show

Gemini CLI has the lower average severity among the incidents collected here (6.0 vs 7.3 for Gemini CLI and GitHub Copilot, from 7 and 6 incidents). These records can't establish which agent is safer: counts reflect how widely each is used and how often people report failures, not a failure rate.