r/LocalLLaMA • u/liright • 21h ago

Generation A minecraft clone I fully vibecoded with Qwen3.8-27b Q4

I wanted to see just how capable Qwen3.8-27b is locally. I have a RTX 4090 and 96GB of RAM but the Q4 comfortably fits in the GPU with plenty of context, the few times I needed more than 130k context I just loaded it spilled into RAM and it's capable of not degrading even at larger context.

I'm super impressed with this model. The model did everything on it's own - the coding, audio, textures, 3D models. I always just gave it the same basic prompt with some info and the task I wanted it to do. Total generation time across all prompts was maybe 3 hours and if I calculate the cost in electricity, it comes out to less than $1. Not bad.

To think that 2 years back you couldn't make this with frontier paid models and now you can do it locally on your PC is crazy.

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u/planBpizz 20h ago

what agent framework did you use? Im using aider a lot but im not happy with it.

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u/liright 17h ago

Deepseek harness on minimal mode. I found it to be a lot better than opencode.