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Wan2.1 T2V-1.3B VRAM requirements

In the official benchmark, Wan2.1 T2V-1.3B peaked at 8.19 GB per GPU (T2V 480P on 1× RTX 4090), the lowest of 4 measured settings. README: Needs only 8.19 GB VRAM; a 5-second 480P video on an RTX 4090 takes about 4 minutes.

Last checked 2026-10-17 on the official pages.

Peak GPU memory per GPU from the model maker's own benchmark table and the README. We have not run these ourselves.

Setting	GPUs	Peak memory / GPU	Source
T2V 480P	1× RTX 4090	8.19 GB	benchmark · 2026-10-17
T2V 480P	8× RTX 4090	12.2 GB	benchmark · 2026-10-17
T2V 480P	4× RTX 4090	14.1 GB	benchmark · 2026-10-17
T2V 480P	2× RTX 4090	18.1 GB	benchmark · 2026-10-17

Stated in the README

Needs only 8.19 GB VRAM; a 5-second 480P video on an RTX 4090 takes about 4 minutes

Tracked cloud GPUs with at least 8.19 GB

Offer	VRAM	Price
Runpod · RTX 4090	24 GB	$0.34/hr
Vast.ai · RTX 4090	24 GB	$0.66/hr
Runpod · RTX 4090	24 GB	$0.89/hr
Vast.ai · A100 PCIE	80 GB	$1.00/hr
Runpod · A100 PCIe	80 GB	$1.19/hr
Vast.ai · A100 SXM4	80 GB	$1.20/hr
Runpod · A100 SXM	80 GB	$1.39/hr
Runpod · A100 SXM	80 GB	$1.79/hr
Runpod · A100 PCIe	80 GB	$1.79/hr
Runpod · H100 PCIe	80 GB	$1.99/hr
Vast.ai · H100 PCIE	80 GB	$2.16/hr
Runpod · H100 SXM	80 GB	$2.69/hr

Rent on Runpod ↗ · Rent on Vast.ai ↗

Disclosure: the Runpod and Vast.ai sign-up links are referral links, so we may earn credit or a commission if you sign up through them. Costs and the cheapest-first ordering are calculated identically for every provider and never depend on referral status.

Wan2.1 T2V-1.3B cost per video · generation time

Frequently asked questions

How much VRAM does Wan2.1 T2V-1.3B need?

What is the cheapest cloud GPU with enough VRAM for Wan2.1 T2V-1.3B?

Runpod RTX 4090 (24 GB) at $0.34/GPU-hr meets the lowest measured peak of 8.19 GB. Peak memory can differ with your settings.