Local Coding on 5090: Copilot Auto Beats Qwen3 in Task

Efficient_Raisin7645 · reddit · 2026-08-28

A user shared hands-on experience running local coding models on an RTX 5090. When converting a PowerShell app to Python, VS Code's built-in Copilot Chat (Auto model) outperformed both Cline and Qwen3-Coder. The author found Qwen's struggle surprising and debated whether the difference stems from model capability or agent orchestration efficiency. The post seeks recommendations for reliable workflows on 5090 that can understand codebases, make multi-file changes, and debug, rather than just benchmark scores.

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