Code-switching hurts LLM comprehension when non-English tokens enter English text, but inserting English into other languages often improves accuracy; fine-tuning mitigates losses more reliably than prompting.
Bullock and Almeida Jacqueline Toribio
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Lost in the Mix: Evaluating LLM Understanding of Code-Switched Text
Code-switching hurts LLM comprehension when non-English tokens enter English text, but inserting English into other languages often improves accuracy; fine-tuning mitigates losses more reliably than prompting.