Why it matters

Multilingual tokenization matters for global apps. Bias hurts small languages.

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The architecture

Balanced sampling per language.

Vocab larger.

Test coverage.

Multilingual tokenizationBalanced samplingper languageLarger vocab150k-250kTest coveragecompression ratiomT5, XLM-R designed multilingual; monolingual tokenizers penalize non-English
Multilingual tokenization.
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How it works end to end

mT5 vocab.

XLM-R vocab.

Test compression ratio.