https://tedfactory.com/en/tags/ai-agent/Recent content in AI Agent on Ted FactoryHugoenThu, 20 Aug 2026 01:41:07 +0900https://tedfactory.com/en/notes/essays/why-ai-subscriptions-are-not-cheap-apis/Thu, 20 Aug 2026 00:00:00 +0900https://tedfactory.com/en/notes/essays/why-ai-subscriptions-are-not-cheap-apis/<h1 id="why-an-ai-subscription-isnt-a-cheap-api">Why an AI Subscription Isn&rsquo;t a Cheap API<a class="anchor" href="#why-an-ai-subscription-isnt-a-cheap-api">#</a></h1> <p>2026-08-20</p> <p><img src="https://tedfactory.com/images/notes/why-ai-subscriptions-are-not-cheap-apis-cover.png" alt="A personal subscription path and a metered API path lead toward the same AI through separate gates and billing systems" /></p> <h2 id="the-better-you-get-at-using-ai-the-more-cost-matters">The Better You Get at Using AI, the More Cost Matters<a class="anchor" href="#the-better-you-get-at-using-ai-the-more-cost-matters">#</a></h2> <p>When I first started using AI, model quality was what mattered most. I compared which model wrote better code, read long documents more accurately, and reasoned more deeply. But once AI became part of my actual work and my usage grew, my attention shifted. <strong>Using AI well now matters as much as being able to keep using it sustainably.</strong></p>