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We present MiMo-V2-Flash, a Mixture-of-Experts (MoE) model with 309B total parameters and 15B active parameters, designed for fast, strong reasoning and agentic capabilities. MiMo-V2-Flash adopts a hybrid attention architecture that…

Computation and Language · Computer Science 2026-01-09 Core Team , Bangjun Xiao , Bingquan Xia , Bo Yang , Bofei Gao , Bowen Shen , Chen Zhang , Chenhong He , Chiheng Lou , Fuli Luo , Gang Wang , Gang Xie , Hailin Zhang , Hanglong Lv , Hanyu Li , Heyu Chen , Hongshen Xu , Houbin Zhang , Huaqiu Liu , Jiangshan Duo , Jianyu Wei , Jiebao Xiao , Jinhao Dong , Jun Shi , Junhao Hu , Kainan Bao , Kang Zhou , Lei Li , Liang Zhao , Linghao Zhang , Peidian Li , Qianli Chen , Shaohui Liu , Shihua Yu , Shijie Cao , Shimao Chen , Shouqiu Yu , Shuo Liu , Tianling Zhou , Weijiang Su , Weikun Wang , Wenhan Ma , Xiangwei Deng , Bohan Mao , Bowen Ye , Can Cai , Chenghua Wang , Chengxuan Zhu , Chong Ma , Chun Chen , Chunan Li , Dawei Zhu , Deshan Xiao , Dong Zhang , Duo Zhang , Fangyue Liu , Feiyu Yang , Fengyuan Shi , Guoan Wang , Hao Tian , Hao Wu , Heng Qu , Hongfei Yi , Hongxu An , Hongyi Guan , Xing Zhang , Yifan Song , Yihan Yan , Yihao Zhao , Yingchun Lai , Yizhao Gao , Yu Cheng , Yuanyuan Tian , Yudong Wang , Zhen Tang , Zhengju Tang , Zhengtao Wen , Zhichao Song , Zhixian Zheng , Zihan Jiang , Jian Wen , Jiarui Sun , Jiawei Li , Jinlong Xue , Jun Xia , Kai Fang , Menghang Zhu , Nuo Chen , Qian Tu , Qihao Zhang , Qiying Wang , Rang Li , Rui Ma , Shaolei Zhang , Shengfan Wang , Shicheng Li , Shuhao Gu , Shuhuai Ren , Sirui Deng , Tao Guo , Tianyang Lu , Weiji Zhuang , Weikang Zhang , Weimin Xiong , Wenshan Huang , Wenyu Yang , Xin Zhang , Xing Yong , Xu Wang , Xueyang Xie , Yilin Jiang , Yixin Yang , Yongzhe He , Yu Tu , Yuanliang Dong , Yuchen Liu , Yue Ma , Yue Yu , Yuxing Xiang , Zhaojun Huang , Zhenru Lin , Zhipeng Xu , Zhiyang Chen , Zhonghua Deng , Zihan Zhang , Zihao Yue

Large language models (LLMs) have showcased profound capabilities in language understanding and generation, facilitating a wide array of applications. However, there is a notable paucity of detailed, open-sourced methodologies on…

This work presents the first large-scale investigation into constructing a fully open bilingual large language model (LLM) for a non-English language, specifically Korean, trained predominantly on synthetic data. We introduce KORMo-10B, a…

Computation and Language · Computer Science 2025-10-13 Minjun Kim , Hyeonseok Lim , Hangyeol Yoo , Inho Won , Seungwoo Song , Minkyung Cho , Junhun Yuk , Changsu Choi , Dongjae Shin , Huige Lee , Hoyun Song , Alice Oh , Kyungtae Lim

Prompt engineering relevance research has seen a notable surge in recent years, primarily driven by advancements in pre-trained language models and large language models. However, a critical issue has been identified within this domain: the…

Computation and Language · Computer Science 2023-06-09 Chengguang Gan , Tatsunori Mori

Despite the significant improvements achieved by large language models (LLMs) in English reasoning tasks, these models continue to struggle with multilingual reasoning. Recent studies leverage a full-parameter and two-stage training…

Computation and Language · Computer Science 2025-01-08 Yuchun Fan , Yongyu Mu , Yilin Wang , Lei Huang , Junhao Ruan , Bei Li , Tong Xiao , Shujian Huang , Xiaocheng Feng , Jingbo Zhu

The recent success of large language models (LLMs) and the scaling law has led to a widespread adoption of larger models. Particularly in the healthcare industry, there is an increasing demand for locally operated LLMs due to security…

Computation and Language · Computer Science 2024-09-23 Issey Sukeda

We introduce Motif-2-12.7B, a new open-weight foundation model that pushes the efficiency frontier of large language models by combining architectural innovation with system-level optimization. Designed for scalable language understanding…

Scaling large language models (LLMs) significantly improves performance but comes with prohibitive computational costs. Mixture-of-Experts (MoE) models offer an efficient alternative, increasing capacity without a proportional rise in…

Machine Learning · Computer Science 2024-12-16 Aditya Vavre , Ethan He , Dennis Liu , Zijie Yan , June Yang , Nima Tajbakhsh , Ashwath Aithal

Despite the remarkable success of Large Language Models (LLMs), the massive size poses significant deployment challenges, particularly on resource-constrained hardware. While existing LLM compression methods focus on quantization, pruning…

Artificial Intelligence · Computer Science 2023-10-12 Song Guo , Jiahang Xu , Li Lyna Zhang , Mao Yang

Large Language Models (LLMs) show potential in medicine, yet clinical adoption is hindered by concerns over factual accuracy, language-specific limitations (e.g., Japanese), and critically, their reliability when required to generate…

Computation and Language · Computer Science 2025-04-28 Wataru Kawakami , Keita Suzuki , Junichiro Iwasawa

Instruction tuning has optimized the specialized capabilities of large language models (LLMs), but it often requires extensive datasets and prolonged training times. The challenge lies in developing specific capabilities by identifying…

Computation and Language · Computer Science 2026-05-26 Run Zou , Jianhang Ding , Yifan Ding , Wen Wu , Hao Chen , Renshu Gu

Low-rank Adaptation (LoRA) has gained popularity as a fine-tuning approach for Large Language Models (LLMs) due to its low resource requirements and good performance. While a plethora of work has investigated improving LoRA serving…

Machine Learning · Computer Science 2025-08-06 Minghao Yan , Zhuang Wang , Zhen Jia , Shivaram Venkataraman , Yida Wang

In this work we present Pula, a suite of bilingual language models proficient in both Setswana and English. Leveraging recent advancements in data availability and efficient fine-tuning, Pula 8B and Pula 14B outperform GPT-4o and Gemini 1.5…

Computation and Language · Computer Science 2025-04-29 Nathan Brown , Vukosi Marivate

Dataset curation has become a basis for strong large language model (LLM) performance. While various rule-based filtering heuristics exist for English and multilingual datasets, model-based filtering techniques have primarily focused on…

Computation and Language · Computer Science 2026-02-20 Bettina Messmer , Vinko Sabolčec , Martin Jaggi

Alignment is a crucial step to enhance the instruction-following and conversational abilities of language models. Despite many recent work proposing new algorithms, datasets, and training pipelines, there is a lack of comprehensive studies…

Computation and Language · Computer Science 2024-10-04 Xiao Yu , Qingyang Wu , Yu Li , Zhou Yu

We present an efficient method for adapting a monolingual Large Language Model (LLM) to another language, addressing challenges of catastrophic forgetting and tokenizer limitations. We focus this study on adapting Llama 2 to Arabic. Our…

We present MiMo-7B, a large language model born for reasoning tasks, with optimization across both pre-training and post-training stages. During pre-training, we enhance the data preprocessing pipeline and employ a three-stage data mixing…

Hybrid LLM architectures that combine Attention and State Space Models (SSMs) achieve state-of-the-art accuracy and runtime performance. Recent work has demonstrated that applying compression and distillation to Attention-only models yields…

Multimodal Large Language Models (MLLMs) have shown remarkable versatility in understanding diverse multimodal data and tasks. However, these capabilities come with an increased model scale. While post-training pruning reduces model size in…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Jaewoo Lee , Keyang Xuan , Chanakya Ekbote , Sandeep Polisetty , Yi R. Fung , Paul Pu Liang

Recently, inspired by the concept of sparsity, Mixture-of-Experts (MoE) models have gained increasing popularity for scaling model size while keeping the number of activated parameters constant. In this study, we thoroughly investigate the…

Computation and Language · Computer Science 2024-11-26 Xiaoye Qu , Daize Dong , Xuyang Hu , Tong Zhu , Weigao Sun , Yu Cheng