ONEBOT – Next-Generation AI Chatbot System with RAG Architecture

AI Chatbot Onebot 2025
ONEBOT – Next-Generation AI Chatbot System with RAG Architecture

Project Context

Small and medium-sized enterprises (SMEs) in Japan are facing a severe labor shortage crisis. Customer demand for instant 24/7 responses is increasing, while the cost of maintaining overnight support teams is extremely high.

Challenges

1

Customer Loss

53% of customers abandon the service if they have to wait more than 10 minutes.

2

Operational Costs

Recruitment and training costs for customer service staff continue to rise.

3

Technical Barriers

Existing AI solutions are often too complex to implement or may generate inaccurate responses.

VAON's Solution

Private Data Training: The AI responds only based on the company’s internal documents (PDFs, websites, Excel files), ensuring high accuracy.

Hybrid Model: Flexibly combines button-based scripted flows (for fixed processes) with generative AI (for complex questions).

Omnichannel: Deep integration with LINE Official Account (the most popular communication channel in Japan) and websites.

Value Delivered

Reduce by 60%

Reduced the workload of answering repetitive questions by 60%.

1.5× Increase

Increased conversion rate (CVR) by 1.5× through instant responses, ensuring no customers are missed at night.

Zero Waiting Time

Instant response 24/365.

Technology Stack

Python
Python
Postgresql
Postgresql
Php
Php
Mysql
Mysql