BitNet b1.58 2B4T Technical Report

Fuente: arXiv
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Autori principali: Ma, Shuming, Wang, Hongyu, Huang, Shaohan, Zhang, Xingxing, Hu, Ying, Song, Ting, Xia, Yan, Wei, Furu
Natura: Preprint
Pubblicazione: 2025
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author Ma, Shuming
Wang, Hongyu
Huang, Shaohan
Zhang, Xingxing
Hu, Ying
Song, Ting
Xia, Yan
Wei, Furu
author_facet Ma, Shuming
Wang, Hongyu
Huang, Shaohan
Zhang, Xingxing
Hu, Ying
Song, Ting
Xia, Yan
Wei, Furu
contents We introduce BitNet b1.58 2B4T, the first open-source, native 1-bit Large Language Model (LLM) at the 2-billion parameter scale. Trained on a corpus of 4 trillion tokens, the model has been rigorously evaluated across benchmarks covering language understanding, mathematical reasoning, coding proficiency, and conversational ability. Our results demonstrate that BitNet b1.58 2B4T achieves performance on par with leading open-weight, full-precision LLMs of similar size, while offering significant advantages in computational efficiency, including substantially reduced memory footprint, energy consumption, and decoding latency. To facilitate further research and adoption, the model weights are released via Hugging Face along with open-source inference implementations for both GPU and CPU architectures.
format Preprint
id arxiv_https___arxiv_org_abs_2504_12285
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle BitNet b1.58 2B4T Technical Report
Ma, Shuming
Wang, Hongyu
Huang, Shaohan
Zhang, Xingxing
Hu, Ying
Song, Ting
Xia, Yan
Wei, Furu
Computation and Language
Machine Learning
We introduce BitNet b1.58 2B4T, the first open-source, native 1-bit Large Language Model (LLM) at the 2-billion parameter scale. Trained on a corpus of 4 trillion tokens, the model has been rigorously evaluated across benchmarks covering language understanding, mathematical reasoning, coding proficiency, and conversational ability. Our results demonstrate that BitNet b1.58 2B4T achieves performance on par with leading open-weight, full-precision LLMs of similar size, while offering significant advantages in computational efficiency, including substantially reduced memory footprint, energy consumption, and decoding latency. To facilitate further research and adoption, the model weights are released via Hugging Face along with open-source inference implementations for both GPU and CPU architectures.
title BitNet b1.58 2B4T Technical Report
topic Computation and Language
Machine Learning
url https://arxiv.org/abs/2504.12285