What is Logic Error?
Logic error failures occur when an AI coding agent produces code that compiles and runs but produces incorrect results. The code looks plausible but contains subtle bugs in conditionals, loop bounds, edge case handling, or algorithm implementation.
Which AI agent logic errors the most?
All Logic Error Incidents
Amazon AI coding agent mistake blamed on human employees
An Amazon AI coding agent made a mistake significant enough to be reported by The Verge. Amazon reportedly blamed human employees for the AI agent's error rather than acknowledging
The quiet correctness tax: 43% of AI code changes need production debugging, with up to 75% more logic errors
Beyond the dramatic single deletions, the most pervasive AI-agent failure is quiet: subtle logic errors that pass review and surface later as production incidents. A 2025–2026 Vent
OpenAI's Operator scored 38% on real computer tasks — and panics instead of recovering from errors
OpenAI launched Operator, its computer-using agent, in January 2025; six months later it scored 38% on OSWorld, a benchmark of real computer tasks — roughly two of every five tasks
Devin PR broke ledger list API and created buckets on deleted resources
Devin submitted a PR to implement bucket deletion in Formance Ledger. The maintainer (gfyrag) found multiple issues: the ledger list endpoint was broken by the changes, the PR allo