Tomato Bank Implements Fully On-Premise Generative AI "Local-Chat AI"
Ippu Senkin Co., Ltd. has implemented the fully on-premise generative AI solution "Local-Chat AI" at Tomato Bank. This enables Tomato Bank to leverage the latest generative AI in a highly secure environment, providing accurate responses based on internal regulations and supporting multimodal data.
📋 Article Processing Timeline
- 📰 Published: May 13, 2026 at 23:00
- 🔍 Collected: May 13, 2026 at 14:32
- 🤖 AI Analyzed: May 13, 2026 at 15:40 (1h 8m after Collected)
Ippu Senkin Co., Ltd. (Headquarters: Chuo-ku, Tokyo; Representative Director, President, CEO/Founder: Hideya Suzuki; hereinafter "Ippu Senkin") has implemented the fully on-premise generative AI solution "Local-Chat AI" for Tomato Bank (Head Office: Okayama City, Okayama Prefecture; Representative Director, President: Shogo Takagi; hereinafter "Tomato Bank").
This implementation enables the utilization of the latest generative AI in an extremely secure environment, isolated from external networks. Ippu Senkin provided end-to-end support, from hardware procurement to system construction and software implementation, to support all officers and employees of Tomato Bank in their activities aimed at solving problems for the region and customers, as advocated by Tomato Bank.
Features of the Implemented System
Overview of On-Premise x Generative AI System Implementation
Fully On-Premise Compatible: No connection to external networks is required, meeting the high security requirements specific to financial institutions.
Answers Based on Unique Knowledge: By training and referencing various internal regulations with AI, it provides accurate answers to specialized inquiries that are consistent with "Tomato Bank's rules."
High-Performance AI for High-Accuracy Answers: A high-performance AI model comparable to the latest major LLMs is available in an on-premise environment.
Multimodal Support: In addition to text, it supports image data such as forms, approval documents, diagrams, and scanned documents handled within the bank. It can be utilized with various forms of business information without sending any data to the cloud.
Easy-to-Use App UI for All Officers and Employees: With an intuitive chat-based interface, all officers and employees can ask questions in natural language, and the generative AI instantly provides answers.
Future Outlook
Tomato Bank began operating "Local-Chat AI" for all officers and employees working at its headquarters on May 13, 2026. Based on the operational status at the headquarters and feedback from officers and employees, the system is planned to be gradually rolled out to all branches.
Both companies will continue to explore further areas of application based on the knowledge accumulated through operations and feedback from officers and employees. Specifically, they plan to advance multifaceted discussions on the new possibilities brought by generative AI, such as enhancing customer proposals in sales and applying it to highly specialized banking operations.
About Tomato Bank Co., Ltd.
Tomato Bank Co., Ltd. is a regional bank based in Okayama Prefecture, aiming to grow with the local community under the management philosophy of "Nurturing people, serving people." Since its establishment in 1931, it has provided financial services rooted in the region, expanding its business network primarily in Okayama Prefecture as a familiar bank that meets customer needs.
Bank Name: Tomato Bank Co., Ltd.
Representative: Shogo Takagi, Representative Director, President
Location: 2-3-4 Bancho, Kita-ku, Okayama City, Okayama Prefecture
URL: https://www.tomatobank.co.jp/
About Ippu Senkin Co., Ltd.
Ippu Senkin Co., Ltd. provides AI application development and AI utilization support consulting services, aiming to improve the business efficiency and profitability of client companies. In particular, it supports advanced business processes using generative AI, formulates AI and data strategies, and offers comprehensive services including in-house talent development.
Company Name: Ippu Senkin Co., Ltd.
Establishment Date: May 1, 2024
Representative: Hideya Suzuki, Representative Director, President, CEO/Founder
Location: Duplex Ginza Tower 8/14, 701, 8-14-9 Ginza, Chuo-ku, Tokyo
URL: https://ippu-senkin.com/
This implementation enables the utilization of the latest generative AI in an extremely secure environment, isolated from external networks. Ippu Senkin provided end-to-end support, from hardware procurement to system construction and software implementation, to support all officers and employees of Tomato Bank in their activities aimed at solving problems for the region and customers, as advocated by Tomato Bank.
Features of the Implemented System
Overview of On-Premise x Generative AI System Implementation
Fully On-Premise Compatible: No connection to external networks is required, meeting the high security requirements specific to financial institutions.
Answers Based on Unique Knowledge: By training and referencing various internal regulations with AI, it provides accurate answers to specialized inquiries that are consistent with "Tomato Bank's rules."
High-Performance AI for High-Accuracy Answers: A high-performance AI model comparable to the latest major LLMs is available in an on-premise environment.
Multimodal Support: In addition to text, it supports image data such as forms, approval documents, diagrams, and scanned documents handled within the bank. It can be utilized with various forms of business information without sending any data to the cloud.
Easy-to-Use App UI for All Officers and Employees: With an intuitive chat-based interface, all officers and employees can ask questions in natural language, and the generative AI instantly provides answers.
Future Outlook
Tomato Bank began operating "Local-Chat AI" for all officers and employees working at its headquarters on May 13, 2026. Based on the operational status at the headquarters and feedback from officers and employees, the system is planned to be gradually rolled out to all branches.
Both companies will continue to explore further areas of application based on the knowledge accumulated through operations and feedback from officers and employees. Specifically, they plan to advance multifaceted discussions on the new possibilities brought by generative AI, such as enhancing customer proposals in sales and applying it to highly specialized banking operations.
About Tomato Bank Co., Ltd.
Tomato Bank Co., Ltd. is a regional bank based in Okayama Prefecture, aiming to grow with the local community under the management philosophy of "Nurturing people, serving people." Since its establishment in 1931, it has provided financial services rooted in the region, expanding its business network primarily in Okayama Prefecture as a familiar bank that meets customer needs.
Bank Name: Tomato Bank Co., Ltd.
Representative: Shogo Takagi, Representative Director, President
Location: 2-3-4 Bancho, Kita-ku, Okayama City, Okayama Prefecture
URL: https://www.tomatobank.co.jp/
About Ippu Senkin Co., Ltd.
Ippu Senkin Co., Ltd. provides AI application development and AI utilization support consulting services, aiming to improve the business efficiency and profitability of client companies. In particular, it supports advanced business processes using generative AI, formulates AI and data strategies, and offers comprehensive services including in-house talent development.
Company Name: Ippu Senkin Co., Ltd.
Establishment Date: May 1, 2024
Representative: Hideya Suzuki, Representative Director, President, CEO/Founder
Location: Duplex Ginza Tower 8/14, 701, 8-14-9 Ginza, Chuo-ku, Tokyo
URL: https://ippu-senkin.com/