Shift Plus Inc. (Representative Director: Yuya Nakao, Head Office: 3070 Miyamarucho, Miyakonojo City, Miyazaki Prefecture / Main Office: 8th Floor, Edobori Center Building, 2-1-1 Edobori, Nishi-ku, Osaka / hereinafter "Shift Plus") is pleased to announce that two new generative AI models, "Claude Sonnet 5" and "Gemini 3.1 Flash Lite Image," have been added to "Local Government AI zevo (Zevo)," a system jointly developed with Miyakonojo City that allows generative AI such as ChatGPT, Claude, and Gemini to be utilized within local governments' LGWAN environments.

Two Models Added: Claude Sonnet 5 and Gemini 3.1 Flash Lite Image

Two Models Added at Once

In Local Government AI zevo, Claude Sonnet 5, the latest AI model from Anthropic Claude on Amazon Bedrock, is now available. Additionally, Gemini 3.1 Flash Lite Image, a new model supporting image generation, has been added simultaneously and was made available to all participating local governments today (July 1, 2026).

Features of Claude Sonnet 5

Claude Sonnet 5 is the latest Sonnet series model provided by Anthropic. It offers reasoning and analysis performance close to the high-end model "Claude Opus 4.8" while being faster and more affordable. It can be widely used for tasks requiring high accuracy, such as summarizing and analyzing complex administrative documents, cross-referencing ordinances, and drafting responses to resident inquiries.

Key Features:

High-Performance Reasoning and Analysis:

Excels at understanding complex documents and multi-step logical reasoning, supporting tasks that demand high accuracy.

Fast Response:

Operates faster than Opus 4.8, providing speedy support for daily operations.

Wide Range of Task Support:

Can be utilized for various purposes, including document summarization, translation, and Q&A.

Model Details:

Claude Sonnet 5 Knowledge Cutoff: January 2026 Context Window Input: 1M Output: 128K Region: Overseas

*For clarity, "Claude Sonnet 5" is used in Local Government AI zevo, following the same notation rules as previous AI models.

Features of Gemini 3.1 Flash Lite Image (Image Generation)

Gemini 3.1 Flash Lite Image is an AI model specialized in image generation and editing provided by Google. It can quickly generate and edit images simply by text instructions, and can be used for purposes such as "I want you to create a poster for the spring health check-up announcement" or "I want you to simply change the background of this photo." It can reduce the effort required for image creation in local government public relations, such as for promotional flyers, announcement posters, and SNS visual materials.

Key Features:

Low-Latency Image Generation: Designed to operate at near real-time speeds and support the generation of large volumes of images.

High Prompt Following Capability: Easily reflects instructions in the generated images, making it easy to create desired visuals.

Drawing Text within Images: Supports designs that include text within the image.

Model Details:

Gemini 3.1 Flash Lite Image (Image Generation) Knowledge Cutoff: January 2025 Context Window Input: 65K Output: 4K Region: Overseas

"Claude Sonnet 5" and "Gemini 3.1 Flash Lite Image (Image Generation)" are available at no additional cost and can be used with your current contract.

We will continue to expand our functions to support a more diverse range of generative AI models. We appreciate your continued use of Local Government AI zevo.

*Both models will be provided in a disabled state at the time of release. To enable them, please change the usage permission settings from the administrator settings.

Local Government AI zevo: Connected, Expanded, Even More Convenient

Business Chat Tool LGTalk Provided

When you contract for "Local Government AI zevo," you can receive accounts for the business chat tool LGTalk for the number of employees as a supplementary service. LGTalk is a chat tool that prioritizes security, including file sanitization. Generative AI (Local Government AI zevo) can be used directly from within the chat.

A trial version usable for up to 10 accounts is also available.

Integration with eRex Now Possible

Integration with "eRex," an LGWAN-exclusive voice recognition AI transcription tool, is now possible. A one-month free trial is also being offered for "eRex."

Please feel free to contact us if you are interested.

We look forward to your continued support of Shift Plus Inc. and "Local Government AI zevo."

About Shift Plus Inc.

Shift Plus Inc. was established in December 2006 in Nishi-ku, Osaka, and has its head office in Nishi-ku, Osaka, its main office in Miyakonojo City, Miyazaki Prefecture, and sales offices in 27 locations across Japan. The company's main business includes the development, maintenance, and consulting of systems for local governments, as well as business outsourcing services and the proposal, design, construction, and maintenance of web systems. The company has independently developed the hometown tax donation management system "LedgHOME" and handles all aspects of hometown tax donation operations. As of the end of August 2025, over 520 local governments from Hokkaido to Kyushu have implemented the system, which manages approximately 50% of the total donation amount nationwide.

FACT BOX

  • Source: PR TIMES
  • Category: 技術
  • Organizations: Anthropic / Google / Amazon Bedrock