Learn how JavaScript developers can integrate Ollama into Node.js applications. Build chat interfaces, VS Code extensions, and streaming responses without external APIs.

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A practical guide for JavaScript developers on integrating Ollama — a local LLM runtime — into Node.js applications without any external API dependencies. Covers installing Ollama and pulling models like Llama 3.2 3B, understanding the REST API endpoints, building a non-streaming and streaming chat app using native fetch, maintaining multi-turn conversation history with a CLI interface, and creating a VS Code extension that streams responses to an Output Channel. Also includes model selection guidance (Llama 3.2, Mistral 7B, Phi-3 Mini, Code Llama), performance tuning via num_ctx and keep_alive, and common troubleshooting tips for connection errors, slow first responses, and streaming parse issues.

Ollama for JavaScript Developers

How to Use Ollama with JavaScript and Node.js