How to Use Ollama with C# — A Production-Ready Guide
· 7 min read
If you want to run an LLM from a C# application without sending data to OpenAI or Anthropic, Ollama is the easiest path. It runs llama3, mistral, qwen, deepseek, and dozens of other models on your laptop or server, and exposes a simple HTTP API.
This guide walks through using Ollama from C# end-to-end — installation, basic chat, streaming, embeddings, tool calling, and the production gotchas you only learn after you ship.