Tip: Local Qwen3.5-27B Outperforms GPT-5.3 Codex and Gemini 3.1 Pro for Iterative Coding Workflows

r/LocalLLaMA·medium signal

A practitioner with 270 upvotes and 134 comments reports Qwen3.5-27B running locally consistently outperforms GPT-5.3 Codex and Gemini 3.1 Pro for their coding workflow. The argument: proprietary models are optimized for autonomous end-to-end task completion, which makes them worse at the iterative, human-steered coding loop where you want the model to do exactly what you ask rather than rewrite your architecture. For vibe coders who pair with the model rather than delegate to it, a steerable local model may beat a smarter but opinionated cloud model.