Host Llama 3.1 8B Instruct on AWS
Llama 3.1 8B Instruct needs 1x 20GB+ GPU, and AWS's current cheapest qualifying row is A100 SXM4 at $3.09/hr.
AWS rows that can host Llama 3.1 8B Instruct
The cheapest tracked way to host Llama 3.1 8B Instruct on AWS is A100 SXM4 at $3.09/hr. The overall tracked market floor is $0.40/hr on Vast.ai, so AWS is $2.69/hr above the current floor.
Why this setup does or does not fit
1x 20GB+ GPU
1x 24GB to 32GB GPU. Long prompts, batching, and KV cache can require extra headroom.
Strong default
A meaningful quality jump over 3B-class models without crossing into premium GPU cost.
Meta 8B
A strong default when you need better quality than 3B without moving to multi-GPU serving.
Llama 3.1 8B Instruct on AWS FAQ
Can I host Llama 3.1 8B Instruct on AWS?
The cheapest tracked way to host Llama 3.1 8B Instruct on AWS is A100 SXM4 at $3.09/hr.
What GPU memory does Llama 3.1 8B Instruct need?
Our baseline for Llama 3.1 8B Instruct is 1x 20GB+ GPU. The practical recommendation is 1x 24GB to 32GB GPU.
Is AWS the cheapest provider for Llama 3.1 8B Instruct?
The overall tracked market floor is $0.40/hr on Vast.ai, so AWS is $2.69/hr above the current floor.
How fresh is this AWS Llama 3.1 8B Instruct cost page?
This page recalculates from the latest tracked on-demand rows. The freshest qualifying AWS row shown here is from Jun 21, 2026.