NTT’s LLM “tsuzumi”

In November 2023, NTT announced tsuzumi, a large language model (LLM) based on NTT laboratories' over-40 years of accumulated research in natural language processing.The tsuzumi LLM excels in Japanese-language processing ability, and its key features include being lightweight and providing multimodal support, which enables handling of non-text media.Its lightweight model reduces power consumption and makes on-premises use possible.Its multimodal feature enables comprehension of photos and diagrams, distinguishing tsuzumi from other publicly available LLMs.In this article, we give an overview of tsuzumi on the basis of these key features.