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Qwen3-Coder-Next Complete 2026 Guide - Running AI Coding Agents Locally

Qwen3-Coder-Next is an open-weight language model achieving Sonnet 4.5-level coding performance with only 3B activated parameters (80B total with MoE architecture). Runs on consumer hardware like 64GB MacBook, RTX 5090, or AMD Radeon 7900 XTX with 256K context length. Scores 44.3% on SWE-Bench Pro while eliminating expensive API costs.