Notes on AI, product and building fast.
Practical guides from the APN Code team on AI apps, agents, MVPs and product design. What things cost, how long they take and what actually works.
RAG explained: how to build an AI assistant that knows your business
RAG explained in plain English: how to build an AI assistant that answers from your own documents with citations, plus use cases, privacy, accuracy and cost.
Read the post →How to build an MVP in 7 days with AI-accelerated development
A day-by-day plan to build an MVP in 7 days with AI-accelerated development: what fits in a week, where AI helps, where humans matter and mistakes to avoid.
Read the post →How much does it cost to build an AI app in India in 2026?
What an AI app costs to build in India in 2026: price ranges by app type, the features that move the number, running costs and how to spend less.
Read the post →AI agents vs chatbots: what's the difference, and which does your business need?
AI agents and chatbots are not the same. Learn how they differ, when each fits an Indian business, the guardrails agents need and what each costs to build.
Read the post →Practical notes on AI and building products.
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