Helsinki-NLP Research Group

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https://blogs.helsinki.fi/language-technology/

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AI & ML interests

At the University of Helsinki, we focus on: - NLP for morphologically-rich languages - Cross-lingual NLP - NLP in the humanities

Recent Activity

Zihao-Li authored a paper 22 days ago

MultiSynt/MT: Trillion-Token Multi-Parallel Pre-Training Data Translated Across 36 Languages

Zihao-Li authored a paper about 2 months ago

Model-Based Quality Assessment for Massively Multilingual Parallel Data

jisx submitted a paper about 2 months ago

Reasoning over Grammar: Can Synthetic Linguistic Reasoning Traces Enhance Low-Resource Machine Translation?

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Papers

Test-Time Scaling of Reasoning Models for Machine Translation

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Helsinki-NLP 's models 1,563

Helsinki-NLP/opus-mt-fr-en

Translation • 75.2M • Updated Nov 15, 2025 • 846k • • 54

Helsinki-NLP/opus-mt-synthetic-en-eu

Updated Sep 16, 2025 • 6 • 1

Helsinki-NLP/opus-mt-synthetic-en-mk

Updated Sep 16, 2025 • 8

Helsinki-NLP/opus-mt-synthetic-en-ka

Updated Sep 16, 2025 • 35

Helsinki-NLP/opus-mt-synthetic-en-so

Updated Sep 16, 2025 • 91 • 3

Helsinki-NLP/opus-mt-synthetic-en-is

Updated Sep 16, 2025 • 4 • 1

Helsinki-NLP/opus-mt-synthetic-en-uk

Updated Sep 16, 2025 • 10

Helsinki-NLP/opus-mt-synthetic-en-gd

Updated Sep 16, 2025 • 4

Helsinki-NLP/simple-finnish-gpt3-xl

Text Generation • 1B • Updated Dec 25, 2024 • 5 • 1

Helsinki-NLP/opus-mt-tc-bible-big-deu_eng_fra_por_spa-mul

Translation • 0.2B • Updated Oct 12, 2024 • 58 • 1

Helsinki-NLP/opus-mt-tc-bible-big-mul-deu_eng_fra_por_spa

Translation • 0.2B • Updated Oct 12, 2024 • 32 • 2

Helsinki-NLP/opus-mt-tc-bible-big-mul-deu_eng_nld

Translation • 0.2B • Updated Oct 12, 2024 • 8 • 2

Helsinki-NLP/opus-mt-tc-bible-big-mul-mul

Translation • 0.2B • Updated Oct 12, 2024 • 181 • 11

Helsinki-NLP/opus-mt-tc-bible-big-zhx-en

Translation • 0.2B • Updated Oct 9, 2024 • 78 • 1

Helsinki-NLP/opus-mt-tc-bible-big-zhx-deu_eng_fra_por_spa

Translation • 0.2B • Updated Oct 8, 2024 • 17 • 1

Helsinki-NLP/opus-mt-tc-bible-big-urj-fra_ita_por_spa

Translation • 0.2B • Updated Oct 8, 2024 • 5

Helsinki-NLP/opus-mt-tc-bible-big-urj-deu_eng_nld

Translation • 0.2B • Updated Oct 8, 2024 • 3

Helsinki-NLP/opus-mt-tc-bible-big-urj-deu_eng_fra_por_spa

Translation • 0.2B • Updated Oct 8, 2024 • 6

Helsinki-NLP/opus-mt-tc-bible-big-trk-deu_eng_fra_por_spa

Translation • 0.2B • Updated Oct 8, 2024 • 6 • 3

Helsinki-NLP/opus-mt-tc-bible-big-tai-deu_eng_fra_por_spa

Translation • 0.2B • Updated Oct 8, 2024 • 2

Helsinki-NLP/opus-mt-tc-bible-big-sla-en

Translation • 0.2B • Updated Oct 8, 2024 • 87

Helsinki-NLP/opus-mt-tc-bible-big-sla-deu_eng_nld

Translation • 0.2B • Updated Oct 8, 2024 • 17

Helsinki-NLP/opus-mt-tc-bible-big-sem-en

Translation • 0.2B • Updated Oct 8, 2024 • 11 • 1

Helsinki-NLP/opus-mt-tc-bible-big-sem-deu_eng_nld

Translation • 0.2B • Updated Oct 8, 2024 • 3 • 1

Helsinki-NLP/opus-mt-tc-bible-big-sem-deu_eng_fra_por_spa

Translation • 0.2B • Updated Oct 8, 2024 • 79

Helsinki-NLP/opus-mt-tc-bible-big-roa-en

Translation • 0.2B • Updated Oct 8, 2024 • 43 • 1

Helsinki-NLP/opus-mt-tc-bible-big-roa-deu_eng_fra_por_spa

Translation • 0.2B • Updated Oct 8, 2024 • 10 • 2

Helsinki-NLP/opus-mt-tc-bible-big-pqw-fra_ita_por_spa

Translation • 0.2B • Updated Oct 8, 2024 • 3

Helsinki-NLP/opus-mt-tc-bible-big-pqw-en

Translation • 0.2B • Updated Oct 8, 2024 • 3

Helsinki-NLP/opus-mt-tc-bible-big-pqw-deu_eng_fra_por_spa

Translation • 0.2B • Updated Oct 8, 2024 • 3