AI
Enhancing Japanese Enterprise Efficiency with Lightweight LLM AI Powers
Resolving the Tension in Enterprise AI Deployment: The Rise of Lightweight Language Models
One of the key challenges in enterprise AI deployment is the need for advanced language models while also considering the high infrastructure costs and energy consumption associated with cutting-edge systems. NTT recently introduced tsuzumi 2, a lightweight large language model (LLM) that operates on a single GPU, showcasing how businesses are overcoming this challenge. Early adopters have reported performance levels comparable to larger models at a fraction of the operational cost.
Traditional large language models typically require numerous GPUs, leading to high electricity consumption and operational expenses that deter many organizations from implementing AI solutions. The introduction of lightweight LLMs like tsuzumi 2 addresses this issue by providing a cost-effective alternative.

For enterprises operating in regions with limited power infrastructure or tight budgets, the use of lightweight LLMs eliminates barriers to AI adoption. The case study of Tokyo Online University highlights the practical benefits of deploying tsuzumi 2 for enhancing course Q&A, creating teaching materials, and providing personalized student guidance while maintaining data sovereignty.
Efficient Performance with Minimal Resources
NTT’s evaluation of tsuzumi 2 for financial-system inquiry handling demonstrated its ability to match or surpass leading models with significantly lower infrastructure requirements. The model’s focus on Japanese language performance, particularly in business contexts, makes it a viable choice for enterprises operating in the Japanese market.
Furthermore, the model’s RAG (Retrieval-Augmented Generation) capabilities enable streamlined development of specialized applications for organizations with proprietary knowledge bases or industry-specific terminology.
Data Security and Sovereignty
Lightweight LLMs are gaining traction in regulated industries due to their ability to address data sovereignty concerns. By leveraging on-premise deployment, organizations can ensure data privacy and compliance with regulatory requirements. The collaboration between FUJIFILM Business Innovation and NTT DOCOMO BUSINESS exemplifies how lightweight models can enhance data processing capabilities without compromising security.
Multimodal Support for Enhanced Workflows
tsuzumi 2 offers built-in support for handling text, images, and voice, making it ideal for a wide range of enterprise applications. This multimodal capability simplifies workflows that involve processing diverse data types, such as manufacturing quality control and customer service operations.
Considerations for Implementation
Enterprises evaluating lightweight LLM deployment should assess factors such as domain specialization, language requirements, integration complexity, and performance tradeoffs. While lightweight models offer cost-effective solutions, organizations must align their business requirements with the capabilities of these models.
Conclusion
NTT’s introduction of tsuzumi 2 highlights the shift towards efficient and specialized AI solutions that cater to the needs of organizations facing operational constraints. By leveraging lightweight language models, enterprises can achieve cost savings, enhance data security, and improve performance in specific domains. As the demand for AI adoption grows, the focus is shifting towards practical solutions that balance capability requirements with operational limitations.
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