@vectronodeai

How I Evaluate AI Models for Real Product Workflows

6h ago · 2 min read · Choosing an AI model is not a one-time decision. In real products, different workflows often need different model behavior. A chatbot may need fast and stable answers. A RAG system may need careful re

Architecture Notes for AI Agents, RAG Apps, and Chatbots

1d ago · 2 min read · AI applications often start with one model, but real products usually grow into multiple workflows. A chatbot may need fast answers for common questions. A RAG application may need stronger reasoning

Notes on Building Multi-Model AI Apps

2d ago · 2 min read · Modern AI products often start with one model, but they rarely stay that way for long. A simple prototype may only need one chat completion model. Once the product grows, the requirements become more

Design Notes for Building Multi-Model AI Applications

3d ago · 5 min read · Modern AI applications are no longer built around a single model. A production chatbot may need one model for fast user replies, another model for complex reasoning, and another model for multilingual

Model Tiering for Lower AI API Costs

May 15 · 4 min read · AI API cost is not only a pricing problem. For most developer teams, it is an architecture problem. When an application starts with one model and one provider, cost control looks simple. You call a GP