Develop an AI Chat App in .NET Core with Ollama – In Just 10 Minutes!

Chat with a Local AI Model using .NET Core & Ollama – Full Tutorial Want to run AI chat models on your own machine – fast, private, and free from cloud limits? In this 10-minute tutorial, I’ll show you how to build a .NET 8 console chat application using Ollama and Microsoft.Extensions.AI! You’ll learn: How to install and run Ollama, a local Large Language Model (LLM) runtime How to use OllamaSharp to connect .NET Core with your local AI model How to pull and run models like phi3:mini, LLaMA, Mistral, or Gemma How to implement a simple interactive chat in .NET How to maintain full conversation history for smarter AI responses What is Ollama? Ollama is an open-source, lightweight runtime that lets you download, serve, and chat with AI models directly on your PC – no cloud required! Perfect for privacy-conscious developers who want local control over LLMs. Prerequisites: .NET 8 or higher Visual Studio 2022 or VS Code Ollama installed locally → https://ollama.com/ Quick Setup Steps: Install Ollama and pull the phi3:mini model Configure your host (OLLAMA_HOST="127.0.0.1:11434") Create a new .NET console app Add the OllamaSharp package Start chatting with your local AI! This tutorial is ideal if you want to: Experiment with local AI chatbots Integrate AI into your .NET applications Build AI-powered tools without external API costs Watch now and create your own private AI assistant in just 10 minutes! #dotnet #Ollama #AI #LLM #LocalAI #CSharp #DotNetCore