Same Qwen3-Coder 30B: instant success via LM Studio, 57-minute fix loop via Ollama

Proof_Nothing_7711 · reddit · 2026-10-11

An Italian developer tested Qwen3-Coder-30B-A3B (UD-Q8KXL) with Cline on a Ryzen 9 + W7800 48GB eGPU, using the same prompt to build a local photo-upscaling webapp. Via Cline + LM Studio (Vulkan or ROCm), the agent shipped a working 56-71KB app in 250-310 seconds on the first try. Via Cline + Ollama, the agent spiraled into 120-290MB React/nodemodules builds with broken UI, failing to fix itself even after 57 minutes. Takeaway: the inference stack dramatically changes agent behavior; the model itself was consistently good at JS audits and bug fixes.

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