Introducing Bode: A Fine-Tuned Large Language Model for Portuguese Prompt-Based Task

• URL: http://arxiv.org/abs/2401.02909v1
• Date: Fri, 5 Jan 2024 17:15:01 GMT
• Title: Introducing Bode: A Fine-Tuned Large Language Model for Portuguese Prompt-Based Task
• Authors: Gabriel Lino Garcia, Pedro Henrique Paiola, Luis Henrique Morelli, Giovani Candido, Arnaldo C\^andido J\'unior, Danilo Samuel Jodas, Luis C. S. Afonso, Ivan Rizzo Guilherme, Bruno Elias Penteado, Jo\~ao Paulo Papa
• Abstract summary: This work proposes a fine-tuned LLaMA 2-based model for Portuguese prompts named Bode. We evaluate the performance of this model in classification tasks using the zero-shot approach with in-context learning.
• Score: 1.158680734110387
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Large Language Models (LLMs) are increasingly bringing advances to Natural Language Processing. However, low-resource languages, those lacking extensive prominence in datasets for various NLP tasks, or where existing datasets are not as substantial, such as Portuguese, already obtain several benefits from LLMs, but not to the same extent. LLMs trained on multilingual datasets normally struggle to respond to prompts in Portuguese satisfactorily, presenting, for example, code switching in their responses. This work proposes a fine-tuned LLaMA 2-based model for Portuguese prompts named Bode in two versions: 7B and 13B. We evaluate the performance of this model in classification tasks using the zero-shot approach with in-context learning, and compare it with other LLMs. Our main contribution is to bring an LLM with satisfactory results in the Portuguese language, as well as to provide a model that is free for research or commercial purposes.

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