Cognitive Technology Team

Mar 2, 2026 · Artificial Intelligence

Stream Real-Time Chat with Ollama’s qwen3 Model via Async Python & LangChain

This guide walks you through installing Ollama, downloading the qwen3:4b model, and using Python’s async client to perform streaming chat requests, then shows how to integrate the same model with LangChain, including setup, initialization, and both regular and streaming output examples.