Is Claude Code or GitHub Copilot more reliable?

StupidLLM has 52 documented incidents for Claude Code (average severity 6.8/10) 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 Claude Code and GitHub Copilot failures?

Claude Code's most common failure mode is Destructive Action, while GitHub Copilot most commonly fails via Security Vulnerability. Claude Code has 8 critical incidents vs GitHub Copilot's 0.

Which has more critical-severity failures?

Claude Code has more critical failures (8 vs 0), indicating a higher likelihood of severe, production-impacting incidents.

How many verified incidents does each agent have?

Claude Code has 49 verified incidents out of 52 total, while GitHub Copilot has 6 verified out of 6. Verified incidents are confirmed against source evidence.

Head to head

Claude Code vs GitHub Copilot

Comparing 52 documented Claude Code incidents against 6 for GitHub Copilot.

Full Claude Codereport →Full GitHub Copilotreport →

What these records show

Claude Code has the lower average severity among the incidents collected here (6.8 vs 7.3 for Claude Code and GitHub Copilot, from 52 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.