Qualiteg - Qualiteg Journal (Page 4)

Generative AI Frontlines

Vertical Integration by AI Platform Providers, and the Strategic Options That Remain

Hello! Greetings from the Qualiteg consulting team! As of 2026, we believe coding is one of the biggest use cases for LLMs. Indeed, Menlo Ventures' research positions coding as a flagship use case for enterprise AI. Having recognized this, AI platform providers have been launching their own AI coding

LLM

KV Cache Offloading Strategies and a Practical Understanding of GQA

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

Python

Emoji Length Differs Between Python and JavaScript: A Surrogate Pair Misalignment Bug

Hello! This is the Qualiteg product development team! While building a PII (personally identifiable information) detection demo app, we were implementing a feature that highlights the positions of detected entities. The stack is Python (FastAPI) on the backend and JavaScript on the frontend. One day, when we used the following

AI-Business

From "Building AI" to "Winning with AI": Redesigning Japan's AI Investment Strategy (Part 1) — Domestic LLMs, Data Centers, and Data Sovereignty

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

Understanding Active Directory: The Technology Behind Enterprise AI Security - Part 5: Browser Configuration and Authentication

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

AI Mathematics

What "Thinking" Really Is: Lessons from an AI That Solves Sliding Puzzles

Hello! "Apparently this puzzle appears in AI textbooks." The sliding puzzle you played with as a kid. Actually, it is plenty of fun for adults too. You know the one—you click numbered tiles around until they line up. Did you know this simple puzzle was one of

IT & AI Technology

Optimistic vs. Pessimistic Locking: Lessons in Concurrency Control from a Real-World Incident

Hello! This is the Qualiteg product development team! "We implemented optimistic locking, but we're still getting conflict errors..." This actually happened to us. In this article, we explain the difference between optimistic and pessimistic locking through a real incident we ran into. Rather than abstract explanations,

LLM Security

Why Did Enterprise Security Become So Complex? From the AD + Proxy Era to the Modern Cloud

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

Learning from IT History

The Glory and Twilight of WS-*: How Enterprise IT Lost to "Implementation" [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&

Daily Dev Tips

When Building Python from Source in Docker Makes GCC Segfault

Hello! This is the Qualiteg Product Development team! Today we would like to share a case of a GCC internal compiler error (Segmentation fault) that occurred while building Python from source in a Docker environment. At first glance it looks like "insufficient resources" or a "Docker-specific issue,

AI-Business

The Complete Guide to Subscription Business, Part 2: How a "5% Churn Rate" Erases Half Your Customers in a Year — and the Science of Preventing It

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 "

Daily Dev Tips

Unstable Multi-Turn Image Editing 🍌 with Google GenAI SDK Streaming: the Problem and the Fix

Hello! While implementing multi-turn image editing with Gemini 3 Pro Image (Nano Banana Pro), we ran into a troublesome problem: it worked sometimes and failed other times. In this article, we share the symptoms, the investigation process, and the solution. The Symptoms Environment Google GenAI SDK library (pip): google-genai 1.

Event

[Exhibition Report] TOKYO DIGICONX 2026

Hello! We recently exhibited at TOKYO DIGICONX 2026, and here is our report! TOKYO DIGICONX 2026 TOKYO DIGICONX 2026 is a comprehensive trade show themed on XR, the metaverse, AI, and Web3, held January 8 (Thu) through 10 (Sat), 2026, in the South 3 and 4 Halls of Tokyo Big

AI Agents

The State and Future of Coding Agents, Part 2: Comparing Major Tools and Structural Challenges

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

LLM

The Reality of LLM Training: From GPU Selection to Training Costs

Hello! Why can OpenAI and Anthropic build world-class LLMs while no LLM from Japan stands shoulder to shoulder with them? Is it a gap in technical capability? A talent problem? The answer is simpler than that: the number of GPUs, and money. Today we focus on "LLM training"