Ahron Lee

An LLM-Associated Register Shift in Korean Journal Abstracts: A Morphology-Aware Excess-Vocabulary Study, 2018-2026

Excess vocabulary, a word's frequency above its pre-2023 trend, is how the change in scholarly English after 2022 has been measured. We adapt it to Korean with morphological units on 398,296 KCI abstracts (2018–August 2026), with 47,165 Vietnamese abstracts for comparison. Placeb...

Beyond Mere Words: Tracing Large-Language-Model Style in Korean Academic Writing through Excess Vocabulary. A study of 316,538 Korean journal abstracts, 2018–2026, with a Vietnamese comparison on 47,165 abstracts

Excess vocabulary, a word's frequency above its pre-2023 trend, has measured how large language models changed English scholarly writing. We adapt it to Korean and Vietnamese with morphological units, applying it to 316,538 Korean abstracts from 2,258 KCI journals (2018 to August...

The Multilingual Cache Tax: How a token-count cache threshold turns cross-lingual token inflation into an escapable, provider-dependent pricing artifact

Commercial LLM APIs bill a cached prompt prefix at a fraction of the normal input rate, but only once the prefix exceeds a fixed token count (a floor, commonly 1,024 tokens). Because the same content costs a different number of tokens in different languages, this token-denominate...

The Multilingual Cache Tax: How a token-count cache threshold turns cross-lingual token inflation into an escapable, provider-dependent pricing artifact

Commercial LLM APIs bill a cached prompt prefix at a fraction of the normal input rate, but only once the prefix exceeds a fixed token count (a floor, commonly 1,024 tokens). Because the same content costs a different number of tokens in different languages, this token-denominate...