Enterprise AI Agent 'ChatSense' to Support GPT-5.4

Knowledge Sense Inc. provides the enterprise AI agent service 'ChatSense.' We are pleased to announce that the AI model available in ChatSense will be upgraded from GPT-5.2 to GPT-5.4.

GPT-5.4 is the latest frontier model released by OpenAI this month (March 2026). According to OpenAI, GPT-5.4 integrates the coding capabilities of GPT-5.3 Codex with the advanced reasoning capabilities of GPT-5.2, delivering exceptional performance in agentic workflows, coding, and business operations. With this upgrade, ChatSense users can utilize GPT-5.4 at no additional cost.

Knowledge Sense Inc. (Headquarters: Minato-ku, Tokyo; CEO: Atsushi Kadowaki) announces the upgrade of the available OpenAI model in its enterprise AI agent service, 'ChatSense,' from GPT-5.2 to GPT-5.4. The upgrade is scheduled to take place within this week. There will be no changes to user pricing, and you may continue to use GPT-5.4 under your current plan. For any inquiries, please contact us via our contact form.

■ Background: 'Securely Utilizing the Latest AI'

ChatGPT is an AI chatbot capable of natural, human-like conversation, expected to contribute to operational efficiency and improved service quality. 'ChatSense,' the generative AI service for enterprises provided by Knowledge Sense, has gained attention for its corporate-focused strengths such as security, and has been adopted by over 500 major companies, including Tokyo Stock Exchange Prime-listed firms and some of Japan's largest universities.

This month, OpenAI released its latest and highest-performing AI model, 'GPT-5.4.' At ChatSense, we consistently support enterprises in securely utilizing generative AI. 'GPT-5.4' is particularly notable for its performance in agentic workflows, coding, and business tasks.