ModelRefs / Multilingual Model — AI Glossary

Multilingual Model — AI Glossary

A language model trained on text from multiple languages, capable of understanding and generating content across language boundaries.

Overview

Multilingual LLMs (mBERT, BLOOM, mT5, LLaMA 3, Gemini 1.5) share a single set of weights across languages, enabling cross-lingual transfer: train on English instructions, infer in Japanese. Performance correlates with training data volume per language; low-resource languages still underperform English significantly. FLORES-200 and multilingual MMLU evaluate cross-lingual quality.

Reference details

Topicarchitecture
Also known ascross-lingual model, multilingual LLM
Last reviewed2026-06-24

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Frequently asked questions

What is Multilingual Model?

A language model trained on text from multiple languages, capable of understanding and generating content across language boundaries.

Is Multilingual Model the same as cross-lingual model?

Yes — cross-lingual model, multilingual LLM are common aliases for Multilingual Model.

What concepts are related to Multilingual Model?

Closely related concepts include machine translation, byte pair encoding, sentencepiece.