https://t3chnico.com/blog Notes from the build — AI agents, voice interfaces, and shipping real products. By Nicolas Arnouts. en https://t3chnico.com/blog/expensive-models-doing-cheap-work https://t3chnico.com/blog/expensive-models-doing-cheap-work Thu, 23 Jul 2026 00:00:00 GMT The gap between a frontier model and a fast small one is routinely 30–60× per token, and most of what runs through the big one doesn't need it. How I find the difference. https://t3chnico.com/blog/why-my-homepage-is-an-ai-agent https://t3chnico.com/blog/why-my-homepage-is-an-ai-agent Thu, 23 Jul 2026 00:00:00 GMT The thinking behind leading with a working agent, what it does (chat, voice, memory), what it deliberately refuses, and why the demo is the portfolio. https://t3chnico.com/blog/you-might-not-need-a-vector-database https://t3chnico.com/blog/you-might-not-need-a-vector-database Thu, 23 Jul 2026 00:00:00 GMT For a knowledge base of hundreds of documents, keyword search over well-kept files often beats the embedding stack. Cheaper, debuggable, and every answer traceable to a file.