Looking for an open-source alternative to Claude 4 for programming? This step-by-step guide will help you get started with Qwen3-Coder.

🔍 What Is Qwen3-Coder?

Qwen3-Coder is an open-source code LLM developed by Alibaba, built specifically for programming and tool-using (Agent) tasks. It outperforms GPT-4.1 in several benchmarks and matches Claude 4 in real-world coding scenarios.