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Vibe Coding2026-03-21 · source-backed

Qwen 3.5 397B: Best Available Local Coder

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r/LocalLLaMA benchmarking (169 upvotes, 92 comments) documents Qwen 3.5 397B outperforming gpt-oss 120b, StepFun 3.5, MiniMax M2.5, and Super Nemotron 120B on coding tasks. Relevant for heterogeneous model routing in agentic pipelines — 397B may justify the inference cost for complex subtasks where smaller models fail. The local model tier is now competitive with cloud APIs on coding quality.


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