Is Aider or GitHub Copilot more reliable?

StupidLLM has 5 documented incidents for Aider (average severity 4.0/10) 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 Aider and GitHub Copilot failures?

Aider's most common failure mode is Logic Error, while GitHub Copilot most commonly fails via Security Vulnerability. Aider has 0 critical incidents vs GitHub Copilot's 0.

Which has more critical-severity failures?

Both Aider and GitHub Copilot have 0 critical-severity incidents.

How many verified incidents does each agent have?

Aider has 2 verified incidents out of 5 total, while GitHub Copilot has 6 verified out of 6. Verified incidents are confirmed against source evidence.

Head to head

Aider vs GitHub Copilot

Comparing 5 documented Aider incidents against 6 for GitHub Copilot.

Full Aiderreport →Full GitHub Copilotreport →

What these records show

Aider has the lower average severity among the incidents collected here (4.0 vs 7.3 for Aider and GitHub Copilot, from 5 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.