Soya Shintani

I Thought Codex Could Build a Mahjong Game If I Just Asked

I wanted a free browser mahjong game for friends, so I asked Codex to help build one. The project worked enough to publish, but mahjong exposed the real limit of AI coding: human understanding still matters.

Google I/O 2026: Why AI Studio and Gemini Omni Make the Agentic AI Era Feel Real

A practical, source-based breakdown of Google I/O 2026, focused on Google AI Studio, Gemini Omni, Gemini Spark, Search agents, and why the shift from chat to agentic workflows matters.

How to Use Codex Practically Before Mobile Support Reaches Everyone

OpenAI has brought Codex into the ChatGPT mobile app in preview. Here is how beginners can get a first real Codex win with HTML, JavaScript, Python, and a realistic PC plus phone workflow.

Claude Code’s Rate Limits Doubled — Did They Really? A Critical Read of the May 2026 Update

A critical reading of Anthropic's May 6, 2026 announcement that Claude Code rate limits doubled. What changed (5-hour quota for Pro/Max/Team/Enterprise), what did not (weekly cap, Free plan, API limits), and how to use the new headroom without burning your weekly cap.

Claude Codeのレート制限は本当に2倍になったのか——対象プラン・週次上限・実用差を批判的に整理

2026-05-06発表のClaude Codeレート制限2倍化を、公式情報をもとに批判的に整理。対象プラン、5時間枠と週次上限の違い、Claude APIとの分離、Opus/Sonnet消費差、実務での使い方まで。

ChatGPT 5.5 Instantを批判的に読む——速いAIに思考を奪われない使い方

2026-05-05公開のChatGPT 5.5 Instantを、機能紹介ではなくクリティカルシンキングで読み解く。InstantとThinkingの使い分け、公式と第三者ベンチの食い違い、AI時代に人間に残る役割を整理。

AI映像詩シリーズ「Eternal Moments」EP.01公開——人類滅亡後の深海をSeedance 2.0で撮った

Seedance 2.0で全映像を生成したSF映像詩「一瞬の永遠 EP.01」を公開。シリーズ構想と制作プロセスの全公開先（note・Medium）をまとめた告知記事です。

Did Claude 4.7 Make Japanese More Expensive? Why Max 20x Started Feeling Scarier

Claude Opus 4.7 changed its tokenizer, but available samples do not suggest Japanese prose itself is the main reason Max 20x feels tighter. The bigger issue is Claude Code context: English tool schemas, code, logs, JSON, diffs, and parallel agent sessions.

Gemini in Cars: Why In-Car AI Assistants Are the Next Real-World AI Interface

Google and GM are bringing Gemini to cars with Google built-in. Here is why natural in-car AI assistants may become one of the most practical AI interfaces.

Microsoft Agent 365 Guide: Why AI Agent Governance Becomes the Real Enterprise AI Market

Microsoft Agent 365 is now generally available. Here is why agent governance, observability, and security may matter more than building yet another AI chatbot.

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