Teuken-7B-Base & Teuken-7B-Instruct: Towards European LLMs

Mehdi Ali; Michael Fromm; Klaudia Thellmann; Jan Ebert; Alexander Arno Weber; Richard Rutmann; Charvi Jain; Max Lübbering; Daniel Steinigen; Johannes Leveling; Katrin Klug; Jasper Schulze Buschhoff; Lena Jurkschat; Hammam Abdelwahab; Benny Jörg Stein; Karl-Heinz Sylla; Pavel Denisov; Nicolo' Brandizzi; Qasid Saleem; Anirban Bhowmick; Lennard Helmer; Chelsea John; Pedro Ortiz Suarez; Malte Ostendorff; Alex Jude; Lalith Manjunath; Samuel Weinbach; Carolin Penke; Oleg Filatov; Fabio Barth; Paramita Mirza; Lucas Weber; Ines Wendler; Rafet Sifa; Fabian Küch; Andreas Herten; René Jäkel; Georg Rehm; Stefan Kesselheim; Joachim Köhler; Nicolas Flores-Herr

arXiv · 2410.03730

Teuken-7B-Base & Teuken-7B-Instruct: Towards European LLMs

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Abstract

We present two multilingual LLMs, Teuken 7B-base and Teuken 7B-instruct, designed to embrace Europe's linguistic diversity by supporting all 24 official languages of the European Union. Trained on a dataset comprising around 60% non-English data and utilizing a custom multilingual tokenizer, our models address the limitations of existing LLMs that predominantly focus on English or a few high-resource languages. We detail the models' development principles, i.e., data composition, tokenizer optimization, and training methodologies. The models demonstrate strong performance across multilingual benchmarks, as evidenced by their performance on European versions of ARC, HellaSwag, and TruthfulQA.

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Mehdi Ali, Michael Fromm, Klaudia Thellmann, Jan Ebert, Alexander Arno Weber, Richard Rutmann, Charvi Jain, Max Lübbering, Daniel Steinigen, Johannes Leveling, Katrin Klug, Jasper Schulze Buschhoff, Lena Jurkschat, Hammam Abdelwahab, Benny Jörg Stein, Karl-Heinz Sylla, Pavel Denisov, Nicolo' Brandizzi, Qasid Saleem, Anirban Bhowmick, Lennard Helmer, Chelsea John, Pedro Ortiz Suarez, Malte Ostendorff, Alex Jude, Lalith Manjunath, Samuel Weinbach, Carolin Penke, Oleg Filatov, Fabio Barth, Paramita Mirza, Lucas Weber, Ines Wendler, Rafet Sifa, Fabian Küch, Andreas Herten, René Jäkel, Georg Rehm, Stefan Kesselheim, Joachim Köhler, Nicolas Flores-Herr. 2025-08-21. Teuken-7B-Base & Teuken-7B-Instruct: Towards European LLMs. https://arxiv.org/abs/2410.03730

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