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CodeTaste: Can LLMs Generate Human-Level Code Refactorings?

arXiv – CS AI|Alex Thillen, Niels M\"undler, Veselin Raychev, Martin Vechev|
🤖AI Summary

Researchers introduce CodeTaste, a benchmark testing whether AI coding agents can perform code refactoring at human-level quality. The study reveals frontier AI models struggle to identify appropriate refactorings when given general improvement areas, but perform better with detailed specifications.

Key Takeaways
  • Large language models can generate working code but often create solutions with complexity and architectural debt.
  • CodeTaste benchmark measures AI agents' ability to execute refactorings and identify human-chosen improvements in real codebases.
  • Frontier AI models perform well with detailed refactoring specifications but fail to discover human refactoring choices independently.
  • A propose-then-implement approach improves alignment between AI and human refactoring decisions.
  • The benchmark provides evaluation targets for aligning coding agents with human development practices.
Read Original →via arXiv – CS AI
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