LLM
Jev returns typed decisions instead of text. Signups reopened on September 28 with no free credit for direct accounts. We put $10 in, called it 301 times from Python, and measured accuracy on Japanese tickets, guardrails and command approval, plus response time and cost (about one yen).
OpenAI
A complete guide to GPT-6 Sol and Luna: what is behind the halved API prices, how to compare them with Astra and Claude Opus 5.5, migration notes such as reasoning effort none and the surcharge above 272K input tokens, and availability in Codex and Copilot.
AI Agents
Codex CLI’s Windows update failed because Get-FileHash could not be found. We traced the inherited PSModulePath and successfully updated from 0.154.0 to 0.156.1 using PowerShell 7.
LLM
Introduction This report takes a comprehensive look at the performance of Japanese-capable LLMs, based on the Nejumi Leaderboard 4 benchmark data (September 1, 2026 snapshot). Last time we published the July 10, 2026 edition of this analysis, and in less than two months the top spot has already changed hands.
LLM
Hello! On July 24, 2026, Anthropic released Claude Opus 5. That is a generational change just two months after Opus 4.8 (released May 28). The pace here keeps accelerating. Now, this blog has followed the Opus line through the Claude Opus 4.7 Complete Guide、Claude Opus 4.8
LLM
Hello! On July 16, 2026, Moonshot AI of Beijing, China announced its new flagship model Kimi K3 and began offering it via its API and web services. The sheer scale of 2.8 trillion total parameters, a 1-million-token context, and the declaration that "it will become the largest open-weight
LLM
Introduction This report is a comprehensive analysis of the performance of Japanese-capable LLMs, based on benchmark data from the Nejumi Leaderboard 4 (2026/7/10 edition). Last time, we published an analysis report on the 2026/3/6 edition; now, roughly four months on, this edition too has proved turbulent,
ClaudeCode
Hello! Claude Fable 5, which arrived in June 2026, has had an eventful first month: a suspension under export controls right after release, a global re-rollout, and then its departure from the subscription allowance. This blog has followed the situation at each turn. For the overall picture, see Finally Generally
ClaudeCode
Hello! On July 2, 2026 (Japan time), Claude Fable 5 became available again from Japan. Anthropic's top-tier model "Claude Fable 5" arrived in June 2026 to enormous attention, was suspended just three days later by a U.S. government directive, and then returned on July 1
AI Agents
Over the past few years, the premises of the cybersecurity conversation have shifted substantially. The old center of gravity was "how do we prevent intrusion" — but today, both attackers and defenders have begun using AI. As attacks become automated and scale at machine speed, defense too is entering
Generative AI Frontlines
Hello! In our previous article, we covered Claude Fable 5 and Claude Mythos 5, announced by Anthropic on June 9, 2026. Fable 5 took Mythos-class capability, added safeguards, and brought it down into a form that could be offered to general users. We described it as "the myth descending
LLM
Hello! This is the Qualiteg Product Development Team. On June 9, 2026, Anthropic announced Claude Fable 5 and Claude Mythos 5. In this article, we sort out what Fable 5 is, how it differs from Mythos 5, and what changes from the standpoint of using Claude Code and AI agents
Bestllam
Hello! Today we would like to introduce a demo of the AI agent features in our integrated AI platform "Bestllam®"! "I can give instructions, but will the AI really finish the job?" More and more companies are bringing generative AI into their operations. But from the
Generative AI Frontlines
Hello! Today we take up the topic that has the AI industry buzzing more than any other lately: "Claude Mythos" and the developments surrounding it. A month and a half after the announcement, the situation has moved considerably — opposition from the White House, moves by Japan's
AI Agents
— What to design now to take AI adoption "into the business" (a three-part series) Hello! This is the Qualiteg Consulting Team. Our series "What to design now to take AI adoption into the business" reaches its third and final installment. In Part 1, we looked at
LLM
Hello! This is the Qualiteg Product Development Team! In April 2026, Anthropic released Claude Opus 4.7. This update is not simply a story of higher benchmark scores. The model's behavior itself has changed — how it interprets instructions, how long its responses run, how often it calls tools,