TeenyTinyLlama: open-source tiny language models trained in Brazilian Portuguese
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Abstract (arXiv)
Large language models (LLMs) have significantly advanced natural language processing, but their progress has yet to be equal across languages. While most LLMs are trained in high-resource languages like English, multilingual models generally underperform monolingual ones. Additionally, aspects of their multilingual foundation sometimes restrict the byproducts they produce, like computational demands and licensing regimes. In this study, we document the development of open-foundation models tailored for use in low-resource settings, their limitations, and their benefits. This is the TeenyTinyLlama pair: two compact models for Brazilian Portuguese text generation. We release them under the permissive Apache 2.0 license on GitHub and Hugging Face for community use and further development. See https://github.com/Nkluge-correa/TeenyTinyLlama
Key facts. Cited by 13 papers in the map (data through 14 Oct 2026). Builds on 83 of its 112 references that are in the map. First posted on arXiv 30 Jan 2024.
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Citing papers per year: 2024: 6; 2025: 2; 2026: 5.
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- 2024Tucano: Advancing Neural Text Generation for Portuguesecited by 13
- 2024Aurora-M: Open Source Continual Pre-training for Multilingual Language and Codecited by 10
- 2024LlamaTurk: Adapting Open-Source Generative Large Language Models for Low-Resource Languagecited by 6
- 2025PoETa v2: Toward More Robust Evaluation of Large Language Models in Portuguesecited by 5
- 2025Curi'o-Edu 7B: Examining Data Selection Impacts in LLM Continued Pretrainingcited by 4
- 2024SLIM-RAFT: A Novel Fine-Tuning Approach to Improve Cross-Linguistic Performance for Mercosur Common Nomenclaturecited by 3
- 2024From Intents to Conversations: Generating Intent-Driven Dialogues with Contrastive Learning for Multi-Turn Classificationcited by 2
- 2026Soro: A Lightweight Foundation Model and Chatbot for Tajikcited by 2
- 2024Towards a More Inclusive AI: Progress and Perspectives in Large Language Model Training for the S'ami Languagecited by 1
- 2026Raising Bars, Not Parameters: LilMoo Compact Language Model for Hindicited by 0
- 2026Language Models for Portuguese: A Systematic Mapping Studycited by 0
- 2026Manac'a-1B: An Open, Reproducible Brazilian-Portuguese Language Model and a Tokenizer-Aware, Paired Evaluationcited by 0
- 2026Manac'a-1B-Instruct-2: Reproducible Safety Alignment for a Native Brazilian-Portuguese LLM. Negative DPO Results, a Controlled Composition Scan, and a Silent Failure Mode of the LLM Judge14 Oct 2026
- 2026Manac'a-1B: An Open, Reproducible Brazilian-Portuguese Language Model and a Tokenizer-Aware, Paired Evaluation31 Aug 2026
- 2026Language Models for Portuguese: A Systematic Mapping Study3 Aug 2026
- 2026Soro: A Lightweight Foundation Model and Chatbot for Tajik9 Apr 2026
- 2026Raising Bars, Not Parameters: LilMoo Compact Language Model for Hindi3 Mar 2026
- 2025Curi'o-Edu 7B: Examining Data Selection Impacts in LLM Continued Pretraining14 Dec 2025
- 2025PoETa v2: Toward More Robust Evaluation of Large Language Models in Portuguese21 Nov 2025
- 2024From Intents to Conversations: Generating Intent-Driven Dialogues with Contrastive Learning for Multi-Turn Classification21 Nov 2024
- 2024Tucano: Advancing Neural Text Generation for Portuguese12 Nov 2024
- 2024SLIM-RAFT: A Novel Fine-Tuning Approach to Improve Cross-Linguistic Performance for Mercosur Common Nomenclature7 Aug 2024
- 2024LlamaTurk: Adapting Open-Source Generative Large Language Models for Low-Resource Language13 May 2024
- 2024Towards a More Inclusive AI: Progress and Perspectives in Large Language Model Training for the S'ami Language9 May 2024
1 more
- 2024Tucano: Advancing Neural Text Generation for Portuguesecited by 13
- 2024Aurora-M: Open Source Continual Pre-training for Multilingual Language and Codecited by 10
- 2024LlamaTurk: Adapting Open-Source Generative Large Language Models for Low-Resource Languagecited by 6
- 2025PoETa v2: Toward More Robust Evaluation of Large Language Models in Portuguesecited by 5
- 2025Curi'o-Edu 7B: Examining Data Selection Impacts in LLM Continued Pretrainingcited by 4
- 2024SLIM-RAFT: A Novel Fine-Tuning Approach to Improve Cross-Linguistic Performance for Mercosur Common Nomenclaturecited by 3
- 2024From Intents to Conversations: Generating Intent-Driven Dialogues with Contrastive Learning for Multi-Turn Classificationcited by 2
- 2026Soro: A Lightweight Foundation Model and Chatbot for Tajikcited by 2
- 2024Towards a More Inclusive AI: Progress and Perspectives in Large Language Model Training for the S'ami Languagecited by 1
- 2026Raising Bars, Not Parameters: LilMoo Compact Language Model for Hindicited by 0
- 2026Language Models for Portuguese: A Systematic Mapping Studycited by 0
- 2026Manac'a-1B: An Open, Reproducible Brazilian-Portuguese Language Model and a Tokenizer-Aware, Paired Evaluationcited by 0
- 2026Manac'a-1B: An Open, Reproducible Brazilian-Portuguese Language Model and a Tokenizer-Aware, Paired Evaluation31 Aug 2026
- 2026Language Models for Portuguese: A Systematic Mapping Study3 Aug 2026
- 2026Soro: A Lightweight Foundation Model and Chatbot for Tajik9 Apr 2026
- 2026Raising Bars, Not Parameters: LilMoo Compact Language Model for Hindi3 Mar 2026
- 2025Curi'o-Edu 7B: Examining Data Selection Impacts in LLM Continued Pretraining14 Dec 2025
- 2025PoETa v2: Toward More Robust Evaluation of Large Language Models in Portuguese21 Nov 2025
- 2024From Intents to Conversations: Generating Intent-Driven Dialogues with Contrastive Learning for Multi-Turn Classification21 Nov 2024
- 2024Tucano: Advancing Neural Text Generation for Portuguese12 Nov 2024
- 2024SLIM-RAFT: A Novel Fine-Tuning Approach to Improve Cross-Linguistic Performance for Mercosur Common Nomenclature7 Aug 2024
- 2024LlamaTurk: Adapting Open-Source Generative Large Language Models for Low-Resource Language13 May 2024
- 2024Towards a More Inclusive AI: Progress and Perspectives in Large Language Model Training for the S'ami Language9 May 2024
- 2024Aurora-M: Open Source Continual Pre-training for Multilingual Language and Code30 Mar 2024