How to train a MOSS Image LoRA: trainers, VRAM and settings

Everything we have verified about training MOSS Image (OpenMOSS, ~5B, Apache 2.0) LoRAs: which trainers support it, VRAM, settings and where to rent a GPU.

Trainer support

Trainer	Status
ai-toolkit	supported (SFT + Base, Oct 16)
OneTrainer	unknown
musubi-tuner	unknown
kohya sd-scripts	unknown
SimpleTuner	unknown

VRAM

~15 GB at batch 2, 1024px, AdamW, 15 images, ~2 s/step on RTX Pro 6000 (single community report) [Discord community reports (AI Toolkit / banodoco / lodestone_rock servers), Oct 2026]

→ Train MOSS Image on 16 GB

Settings that work

Learns fast [Discord community reports (AI Toolkit / banodoco / lodestone_rock servers), Oct 2026]
Tokenizer loading bug fixed same day (Oct 16) in ai-toolkit; update before training
SFT variant: stripe artifacts reported, unresolved [Discord community reports (AI Toolkit / banodoco / lodestone_rock servers), Oct 2026]

Full guide with recipes: How to train a MOSS Image LoRA.

Where to rent a 16 GB+ GPU

Cheapest 16 GB+ cards (2026-10-16 14:43 UTC) from RunPod and Vast.ai. Prices move constantly; see the live price table.

GPU	VRAM	RunPod community $/hr	Vast.ai cheapest $/hr
RTX A4000	16 GB	$0.17	$0.09
Tesla V100	16 GB	$0.19	$0.10
RTX 3090	24 GB	$0.22	$0.12
RTX 5060 Ti	16 GB	—	$0.12
RTX 5070 Ti	16 GB	—	$0.12
RTX A5000	24 GB	$0.16	—

Sources

FAQ

Which trainers support MOSS Image?

ai-toolkit

How much VRAM does MOSS Image LoRA training need?

~15 GB at batch 2, 1024px, AdamW, 15 images, ~2 s/step on RTX Pro 6000 (single community report) [Discord community reports (AI Toolkit / banodoco / lodestone_rock servers), Oct 2026]

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Data updated 2026-10-16. Disclosure: RunPod and Vast.ai links are referral links; ImageLoRA may earn a commission at no cost to you. unknown = not yet verified from a source.