Build AI with Claude Sonnet 4.6 & LangChain

Tutorial Intermediate ⏱ 45 min read © Gate of AI 2026-06-06 Learn to build a conversational AI application using Claude Sonnet 4.6 and LangChain, leveraging the latest AI advancements for dynamic interactions. Prerequisites Python 3.10 or newer Claude Sonnet 4.6 API key Intermediate programming skills What We’re Building In this tutorial, we will construct a

Build a Conversational AI with LlamaIndex

Tutorial Intermediate ⏱ 20 min read © Gate of AI 2026-06-04 Learn to build an intelligent conversational AI agent by leveraging LlamaIndex to dynamically orchestrate and route prompts between OpenAI and Anthropic APIs. Prerequisites Python 3.10 or newer API keys for OpenAI and Anthropic Intermediate knowledge of Python and asynchronous programming What We’re Building In

Build a RAG System with OpenAI & Pinecone

Building a Modern Retrieval-Augmented Generation (RAG) System with OpenAI and Pinecone Learn how to build a state-of-the-art Retrieval-Augmented Generation (RAG) system using OpenAI’s GPT models and Pinecone for efficient information retrieval and generation. This tutorial will guide you through setting up a system that combines the power of language models with vector databases to retrieve

Building an Advanced LangChain AI Workflow Automation with LangGraph

Tutorial Advanced ⏱ 45 min read © Gate of AI 2026-06-03 Build a production-grade multi-agent workflow using LangGraph v1.2. Use state-based orchestration to manage autonomous reasoning loops securely. Prerequisites Python 3.10+ LangChain v1.3.4+ and LangGraph v1.2.4+ OpenAI API Key (GPT-4o) Understanding of Pydantic and TypedDict for state management Installation pip install langchain==1.3.4 langgraph==1.2.4 langchain-openai Step

Building a Conversational AI with Claude and ChatGPT APIs: A Practical Guide

Tutorial Intermediate ⏱ 35 min read © Gate of AI 2026-06-02 Architect a multi-provider LLM gateway in Next.js using App Router Route Handlers to dynamically toggle production requests between OpenAI and Anthropic architectures while maintaining state context. Prerequisites Node.js 18.x or higher Next.js 14.x or 15.x (App Router structure) Valid API keys configured in the

How to Build Long-Running AI Agents with Google Gen AI SDK

Tutorial Advanced ⏱ 45 min read © Gate of AI 2026-05-31 Step away from standard chat APIs. Learn the foundational architecture for building long-running, stateful autonomous agents inspired by the new Gemini Enterprise Unified Inbox. Prerequisites Python 3.10 or higher Access to the Google Gen AI SDK (Gemini 1.5 Pro or higher) A Google Cloud

Building a Chatbot with Mistral’s Mixtral API: A Step-by-Step Guide

Tutorial Intermediate ⏱ 30 min read © Gate of AI 2026-05-23 Learn to harness the power of the official Mistral AI API to create a responsive, intelligent chatbot capable of handling complex queries with ease. Prerequisites Python 3.8 or higher Access to Mistral AI API (API key required from console.mistral.ai) Intermediate understanding of Python programming

How to Build a Dual-Engine AI Agent with GPT-4o + Gemini (Python Tutorial)

Tutorial Advanced ⏱ 40 min read © Gate of AI 2026 Learn how to build a dual-engine AI agent in Python that intelligently routes tasks between GPT-4o and Gemini 2.5 using modern SDKs, with built-in memory and smart model selection. Prerequisites Python 3.10 or higher OpenAI API key and Google Gemini API key Basic understanding

Reverse Engineering X’s Recommendation Algorithm: Programmatic Hooks for Tech Creators

Tutorial Intermediate ⏱ 8 min read © Gate of AI Reverse engineer the open-sourced X recommendation algorithm to write high-converting hooks and maximize your content’s organic reach. The Content Ecosystem Strategy To build a sustainable content architecture, your website should always be the ultimate source of truth, while social platforms like YouTube and X serve

Build a Code-Executing AI Chatbot with Mistral & Matplotlib

Tutorial Beginner ⏱ 45 min read © Gate of AI 2026-05-15 Learn to build an AI chatbot using the Mistral Codestral API to generate and execute code for tweaking Matplotlib plots efficiently. Prerequisites Python 3.10 or above Mistral API key Basic understanding of Python and Asyncio What We’re Building In this tutorial, we will build

Building a Proactive AI Assistant with TypeScript

Tutorial Intermediate ⏱ 45 min read © Gate of AI 2026-05-13 Learn how to build a proactive AI assistant using TypeScript, enhancing developer productivity with intelligent code suggestions and interactions. Prerequisites Node.js version 16 or higher An OpenAI API key Intermediate knowledge of TypeScript and JavaScript What We’re Building In this tutorial, we will build