Smit Sojitra's writingArticles by Smit Sojitra on AI, LLMs, databases and building software, most with interactive demos.https://smiit.in/enYour model doesn't need to write the answer. It needs to point at it.https://smiit.in/writing/answer-is-in-the-input/https://smiit.in/writing/answer-is-in-the-input/For classify and extract jobs the answer is already in your input. Why pointing beats writing, what ScaleDown's CDMs do with that idea, and where it stops working.Sat, 17 Oct 2026 00:00:00 GMTaillmarchitecturesmit.sojitra.dev@gmail.com (Smit Sojitra)Your AI coding session gets pricier with every message. Here's why.https://smiit.in/writing/long-session-cost/https://smiit.in/writing/long-session-cost/How attention works, why it is quadratic, and what that does to your AI coding bill. Includes a simulator to find where your own sessions go wrong.Sat, 03 Oct 2026 00:00:00 GMTaillmclaude-codesmit.sojitra.dev@gmail.com (Smit Sojitra)How UUIDv7 fixes the primary-key tradeoffhttps://smiit.in/writing/uuid-v7/https://smiit.in/writing/uuid-v7/Auto-increment is cheap until you have two writers, and random UUIDs wreck your index. UUIDv7 puts the clock first and stops making you pick.Sat, 26 Sep 2026 00:00:00 GMTdatabasespostgresuuidsmit.sojitra.dev@gmail.com (Smit Sojitra)Jev: the AI that doesn't talk (and why that's the point)https://smiit.in/writing/jev/https://smiit.in/writing/jev/Most models want to write you an essay. Jev answers with a number, fast and for a fraction of a cent.Sat, 19 Sep 2026 00:00:00 GMTaiinfrastructurellmsmit.sojitra.dev@gmail.com (Smit Sojitra)