AIツールの選び方、コスト削減、スタックの最新維持に関する実践ガイド。
From the radar
2026年7月31日 · 5 min read · English · AI updates
OpenAI slotted a new $8/month ChatGPT Go plan between Free and the $20 Plus tier. Here's who it's genuinely right for, who should stay on Free, and who still needs Plus — without overpaying either way.
2026年7月31日 · 7 min read · English · AI updates
Adobe, Microsoft and Semrush all shipped 'AI visibility' tools this week to help brands show up inside ChatGPT, Gemini and AI search. Here's what these enterprise tools are really for, and the free version of the same job that a small business can do today.
2026年7月31日 · 6 min read · English · AI updates
Z.ai's new GLM-5.2 is being called good enough to rival the top paid models, and you can download it for nothing. Here's what that really changes for a small business — and the trap of switching just because something is cheaper.
Cursor introduced new Pro+ ($60) and Ultra ($200) tiers this week, joining ChatGPT, Claude and Perplexity in offering ever-pricier plans. Here's a simple way to pick the right tier — and to stop paying for usage you'll never touch.
2026年7月29日 · 7 min read · English · AI updates
Moonshot's Kimi K3 is a frontier-class open-weight model at $3/$15 per million tokens. What that means if you pay per token, what "open weights" actually buys you (licence caveat included), and when switching is the wrong move.
Block's new Buzz gives AI agents their own identities inside a group chat, alongside people. What that actually changes for a small team, what it costs to run, and the honest verdict on whether to wait.