Is Aider or Cline more reliable?

Based on StupidLLM's incident database, Aider has 4 documented failures (avg severity 4.5/10) while Cline has 5 (avg severity 5.5/10). Aider shows better reliability.

What are the main differences between Aider and Cline failures?

Aider's most common failure mode is Logic Error, while Cline most commonly fails via Ignored Instructions. Aider has 0 critical incidents vs Cline's 1.

Which has more critical-severity failures?

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

Should I use Aider or Cline for production code?

Aider has a lower average failure severity (4.5/10 vs 5.5/10), 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?

Aider has 1 verified incidents out of 4 total, while Cline has 5 verified out of 5. Verified incidents are confirmed against source evidence.

Head to head

Aider vs Cline

Comparing 4 documented Aider incidents against 5 for Cline.

Full Aiderreport →Full Clinereport →

Verdict

Aider has the lower average failure severity (4.5/10 vs 5.5/10), making it the statistically safer choice of the two — though both agents have documented critical incidents.