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Tutorial Intermediate 6 steps © Gate of AI 2026-08-25 Build a Next.js Chatbot with OpenAI Responses API Create a small, working web chatbot with the Next.js App Router, the official OpenAI JavaScript SDK, and the Responses API. The browser sends a message to your own server route; that route, not the browser, calls OpenAI. What
A retrieval-augmented generation system should be evaluated as a trade-off: research evidence shows that retrieval can improve precision and metadata completeness while reducing breadth. This tutorial explains how to turn that finding into a defensible knowledge-base evaluation plan. Why This Is an Evaluation Tutorial, Not a Vendor Setup Guide Retrieval-augmented generation, usually shortened to RAG,
Tutorial Intermediate 48 min read © Gate of AI 2026-08-21 Build a Python terminal assistant with two explicit model providers, SQLite conversation sessions, bounded history, controlled retries, and tests. What You Will Build This tutorial builds a local Python chat application that lets a user choose between an OpenAI ChatGPT-style model and Anthropic Claude Sonnet
Tutorial Design a Safer AI Incident Copilot for GCC Operations An AI incident copilot can help an operations team turn approved engineering facts into a clearer draft for stakeholders. It should not be treated as an autonomous incident commander, a source of truth, or an automatic publishing system. This tutorial explains how to define a
An evaluation-first guide to deciding whether GPT-4o mini fine-tuning is justified for a narrowly defined language task. This article uses the available research context rather than assuming unverified API capabilities, model snapshots, pricing, or deployment features. GPT-4o Mini Fine-Tuning: Start With Evidence, Not an Upload Fine-tuning is often presented as the next step after prompt
Learn how to design a human-in-the-loop AI workflow automation process that can take action only after an appropriate person reviews the proposed work. Human-in-the-Loop AI Workflow Automation: The Core Idea AI workflow automation is increasingly used to design and run workflows that take action rather than merely suggest a next step. That change makes workflow
Build a small Node.js AI API gateway that accepts validated JSON, assigns request IDs, applies a local per-client limit, and forwards approved work to a server-side model service without exposing provider credentials to browser code. Prerequisites Node.js 18 or later. This tutorial uses the runtime’s built-in http, crypto, and fetch capabilities. Basic familiarity with JavaScript,
Tutorial Python Structured JSON Extraction with OpenAI Build a Python command-line tool that loads travel-journal files, requests JSON-shaped extraction from an OpenAI chat model, validates every response with Pydantic, and writes a reusable report. What You Will Build This tutorial builds travel_journal_analyzer, a small but production-minded Python application. It accepts a text, Markdown, CSV file,
Build a secure FastAPI ticket-routing foundation with strict request validation, deterministic escalation policies, SQLite audit records, and a safe integration boundary for a verified Mistral API implementation. Important Accuracy Note Before You Start The supplied source material confirms that Mistral AI is a Paris-based AI company and describes it as an OpenAI competitor. It does
Tutorial Advanced ⏱ 120 min read © Gate of AI 2026-07-30 Learn how to build a governance-aware AI sandbox using Node.js and Express, complete with RBAC, middleware, and AI integration, leveraging the latest AI governance features. Prerequisites Node.js 18.x Express 5.x TypeScript 5.4 API keys for OpenAI and Hugging Face Advanced understanding of backend development
Tutorial Intermediate ⏱ 45 min read © Gate of AI 2026-07-29 In this tutorial, you’ll build a scalable generative AI application utilizing Meta’s Llama 3 and LangChain for orchestrating complex workflows. Prerequisites Python 3.10 or higher Meta Llama 3 API access Basic understanding of Python and AI concepts What We’re Building In this tutorial, we’ll
Tutorial Advanced ⏱ 45 min read © Gate of AI 2026-07-28 In this tutorial, you’ll learn how to fine-tune large language models using Python to improve performance on specific tasks, leveraging modern APIs and best practices for optimal results. Prerequisites Python 3.10 or later Access to OpenAI API with a valid API key Basic understanding