Mizuho Bank to Launch 'Aomaru Bank,' an Interactive AI Assistant, in September 2026
Mizuho Bank will launch 'Aomaru Bank,' an AI-driven interactive assistant using OpenAI technology, within the Mizuho Direct app in September 2026. Starting with automated inquiry handling, the service aims to expand into asset management consultations and banking procedures, providing a personalized and conversational banking experience.
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- 📰 Published: May 18, 2026 at 20:00
- 🔍 Collected: May 18, 2026 at 11:31
- 🤖 AI Analyzed: May 18, 2026 at 11:55 (23 min after Collected)
Mizuho Financial Group and Mizuho Bank have announced the development of 'Aomaru Bank,' an interactive AI assistant powered by OpenAI technology, scheduled for launch in September 2026. This new service will feature the bank's official mascot, 'Aomaru,' acting as an AI agent to solve various financial concerns through natural conversation.
Key features and stages of development:
- Initial Launch (Sept 2026): The service will first provide automated inquiry responses within the Mizuho Direct app.
- Personalized Interaction: The AI agent proactively identifies customer needs and provides tailored guidance, reducing the burden of searching for answers.
- Multi-modal Support: Users can interact via both text and voice, making it accessible for those who prefer verbal communication over typing.
- Accuracy and Safety: Built on Mizuho’s extensive FAQ data, the system uses RAG (Retrieval-Augmented Generation) to ensure fact-based answers while implementing multi-layered safety filters.
- Future Expansion: Plans include handling administrative procedures and providing asset formation and management advisory services.
This initiative is part of Mizuho's broader strategy to accelerate the social implementation of generative AI. By combining OpenAI's advanced LLM and voice technology with Mizuho's deep financial expertise, the bank aims to revolutionize digital customer engagement.
Key features and stages of development:
- Initial Launch (Sept 2026): The service will first provide automated inquiry responses within the Mizuho Direct app.
- Personalized Interaction: The AI agent proactively identifies customer needs and provides tailored guidance, reducing the burden of searching for answers.
- Multi-modal Support: Users can interact via both text and voice, making it accessible for those who prefer verbal communication over typing.
- Accuracy and Safety: Built on Mizuho’s extensive FAQ data, the system uses RAG (Retrieval-Augmented Generation) to ensure fact-based answers while implementing multi-layered safety filters.
- Future Expansion: Plans include handling administrative procedures and providing asset formation and management advisory services.
This initiative is part of Mizuho's broader strategy to accelerate the social implementation of generative AI. By combining OpenAI's advanced LLM and voice technology with Mizuho's deep financial expertise, the bank aims to revolutionize digital customer engagement.
FAQ
What can I do with Aomaru Bank?
Initially, you can get answers to banking inquiries. In the future, it will handle procedures like address changes and provide asset management advice through natural dialogue.
Is Aomaru Bank safe to use?
Yes. It features multi-layered security to block inappropriate content and generates answers based only on Mizuho's verified internal data to ensure accuracy.
How does it differ from traditional chatbots?
Unlike menu-based chatbots, this 'AI Agent' understands context through dialogue and proactively confirms details to provide personalized solutions.