Building a Multi-Provider AI Chat Application with .NET 10 - A Complete Guide

Building a Multi-Provider AI Chat Application with .NET 10 🤖 Have you ever wanted to build an AI application but felt locked into a single provider? What if you could switch between GitHub Models, Azure OpenAI, OpenAI, or even local models with just a configuration change? In this comprehensive tutorial, I'll show you how I built a production-ready AI chat application using .NET 10 that supports multiple AI providers through a unified interface. By the end, you'll understand: ✅ How to use Microsoft.Extensions.AI for provider-agnostic code ✅ Implementing Provider and Factory design patterns ✅ Secure secrets management with User Secrets ✅ Building interactive console applications ✅ Working with 4 different AI providers 🔗 Complete Source Code : github.com/Rahul1994jh/genai_with_dotnet 🎯 The Problem When building AI applications, you typically face these challenges: // ❌ The problem: Different APIs for different providers if ( provider == "Azure" ) { var response = await azureClient . GetC