Как дешево дообучить Qwen с помощью LoRA в облаке?

Оригинал

How do you fine-tune Qwen with LoRA in the cloud cheaply?

Fine-tune Qwen cheaply with one LoRA adapter on the smallest single GPU that holds twice the frozen weights: 16-bit LoRA up to about 9B, 4-bit QLoRA for 14B to 32B dense models. Nodus ships single-GPU Qwen3 presets from 0.6B to 8B in its managed nodus/sft runtime, on cards such as the 48 GB RTX A6000 listed at $0.333/hr on the Nodus pricing page. Which Qwen models are current, and which are dense or MoE? Two architecture lines are current, and they train differently. Qwen3 is text-on