LLM
Hello! Welcome to a special extra installment of our LLM Inference Infrastructure Provisioning Course! Part 3, "Estimating Inference-Time Memory Consumption for Your Model", we introduced the two major consumers of GPU memory, the model footprint and the KV cache, and explained how to calculate the KV cache size
AI-Business
Hello! Between 2025 and 2026, AI-related investment in Japan has been moving fast. Domestic LLM development, a data center construction boom, expanding government support programs. The sense of urgency—"Japan cannot afford to fall behind in AI"—shows up clearly in the numbers. This momentum is welcome, and
IT & AI Technology
Hello! In this fifth installment of the series, we cover "Browser Configuration and Authentication." In the previous installment (Part 4), we explained how joining the proxy server to the domain makes it possible to reliably identify who accessed ChatGPT or Claude. You should now have a good grasp
LLM Security
Hello! Now that generative AI services like ChatGPT and Claude are making their way into everyday work, "the risk of sending confidential information to AI" has emerged as a new security challenge. As we grappled with this challenge, we found ourselves looking back at how enterprise security architecture
![The Glory and Twilight of WS-*: How Enterprise IT Lost to "Implementation" [Learning from IT History]](/content/images/size/w600/2026/01/evolution_of_technology.png)
Learning from IT History
Hello. —— From SOA in 2003 to AI in 2026 —— This article looks back at past technology trends and reflects on the lessons we can draw from them. History always teaches us that what seems obvious in hindsight was invisible at the time. And what we believe to be "right&
AI-Business
Hello! This is Qualiteg Consulting! In Part 1, we covered the basic structure of subscription businesses and the revolutionary concepts of LTV and unit economics. Do you remember the golden rule, "LTV > 3 × CAC"? The Complete Guide to Subscription Business, Part 1: Never Get Lost in "
AI Agents
Hello! Welcome to the second installment of our coding agent series. In the previous installment, Part 1, we took a bird's-eye view of the AI coding agent landscape as of December 2025—a field in full bloom. The State and Future of Coding Agents, Part 1: The Landscape
Generative AI Frontlines
Hello! Today we take up Claude Code, the AI coding agent that has been generating a lot of buzz among engineers lately. AI coding assistants have multiplied rapidly over the past year or two, and many of you probably feel you can no longer tell which one to choose. In
LLM
⚠️ A newer version of this article is available The latest LLM ranking (March 2026 edition) is here Read the latest LLM ranking (March 2026 edition) → Introduction This report is a comprehensive analysis of the performance of Japanese-capable LLMs, based on benchmark data from Nejumi Leaderboard 4 (the 2025/12/18
AI Agents
Hello! This time, we present a grand tour of the more than 20 flourishing AI coding tools out there—introduced and explained all in one go! AI-assisted coding is by now simply how things are done, and new tools appear at a dizzying pace. We use several tools in our
AI-Business
Why the subscription model is changing the world—and will the rise of AI spell the end of SaaS? Hello! This is Qualiteg Consulting. Working with clients every day as new-business strategy consultants, we have noticed a sharp recent rise in inquiries about SaaS businesses. What is interesting is the
LLM
Introduction This report analyzes the performance of Japanese-capable LLMs based on Nejumi Leaderboard 4 benchmark data (October 11, 2025 edition), offering a comprehensive picture of the field. Nejumi Leaderboard 4 is known as a highly reliable benchmark that evaluates LLM performance on Japanese-language tasks from multiple angles. In this analysis,
IT & AI Technology
Hello! In this third installment of the series, we cover joining clients and servers to the domain. Introduction Hello, and welcome to Part 3 of the series, "Joining Clients and Servers to the Domain." In the previous installment (Part 2), we walked through building an Active Directory domain
Generative AI Frontlines
Hello — this is the consulting division of Qualiteg Inc. The rapid evolution of generative AI is fundamentally reshaping how software is built. In 2024, large language models such as Claude, GPT-4, and Gemini dramatically improved their code generation capabilities, and development tools like GitHub Copilot, Cursor, and Windsurf came into
AI Mathematics
Hello! Our lipsync technology series is finally entering its home stretch. Last time (Part 4), we took a detailed look at the LSTM training process and its limits. While we saw the LSTM's strength of learning effectively even from limited data, it also became clear that it struggles
IT & AI Technology
Hello! In this second installment of the series, we walk through building a domain environment — the steps for setting up a test lab. Series Overview Chapter 1: Understanding the Basics - Fundamentals of Active Directory and Kerberos/NTLM authentication [★This installment★] Chapter 2: Building the Domain Environment - Steps for