AWS vs Vast.ai

AWS offers a much broader suite of cloud services but at a significantly higher price point for comparable GPU instances.

What's good about...

Amazon Web Services logo AWS

  • Extensive range of managed services, from serverless to databases to queues to video streaming
  • Generous free tier and savings plan available to lock-in discounts
  • 30+ datacenter locations around the world

Vast.ai logo Vast.ai

  • Large pool of over 20,000 GPUs
  • Over 68 GPU types across 40+ data centers
  • Enterprise-grade security with SOC2 certification
  • Pre-built templates including PyTorch, CUDA, and TensorFlow

Price comparison

How do AWS's prices compare against Vast.ai?

VM Small

Amazon Web Services AWS
$7.49 / mo 2 vCPU, 1 GiB RAM (t3.micro)
Vast.ai Vast.ai
--

VM Medium

Amazon Web Services AWS
$119.80 / mo 4 vCPU, 16 GiB RAM (t3.xlarge)
Vast.ai Vast.ai
--

VM Large

Amazon Web Services AWS
$248.20 / mo 8 vCPU, 16 GiB RAM (c5.2xlarge)
Vast.ai Vast.ai
--

Block Storage

Amazon Web Services AWS
$8.00 / mo 100 GB
Vast.ai Vast.ai
--

Object Storage

Amazon Web Services AWS
$24.63 / mo 1 TB
Vast.ai Vast.ai
--

Load Balancer

Amazon Web Services AWS
$22.57 / mo Network Load Balancer
Vast.ai Vast.ai
--

Managed PostgreSQL

Amazon Web Services AWS
$57.59 / mo 2 vCPU, 4 GiB RAM, 50 GB storage (db.t3.medium)
Vast.ai Vast.ai
--

Managed Redis®*

Amazon Web Services AWS
$24.82 / mo 1 vCPU, 1.55 GiB RAM (cache.t2.small)
Vast.ai Vast.ai
--

Serverless 25M Executions

Amazon Web Services AWS
$36.26 / mo 25M invocations, 512 MB RAM, 150 ms duration
Vast.ai Vast.ai
--

Free egress allowance

Amazon Web Services AWS
100 GB / mo
Vast.ai Vast.ai
--

1 TB of egress beyond allowance

Amazon Web Services AWS
$90.00 $0.09 / GB (North America)
Vast.ai Vast.ai
--

Vast.ai logo Vast.ai Pricing Details

Vast.ai operates as a global marketplace where pricing is billed per second and broken into three components:

  1. Active rental cost for the GPU, charged only when an instance is running.

  2. Storage cost for allocated disk space, which applies as long as the instance exists (even when stopped).

  3. Bandwidth costs for data transfer.

GPU Fleet Overview

Same GPU, Both Providers

On-demand price per GPU-hour.

Amazon Web Services AWS
Vast.ai Vast.ai
H100 $6.88 $1.73 B300 $17.80 $12.50 B200 $14.24 $4.84 H200 $7.91 $3.34

Billing Options

Amazon Web Services AWS
On-DemandReserved (12mo)Reserved (36mo)
Vast.ai Vast.ai
On-DemandSpotReserved (1mo)Reserved (3mo)Reserved (6mo)Reserved (12mo)Reserved (24mo)Reserved (36mo)Reserved (48mo)

Heads up: Prices are estimates from published rates for common setups and vary by region and usage; verify with the provider before provisioning.

Which services do they offer

Company details

Website
Vast.ai Vast.ai
vast.ai
Headquarters
Amazon Web Services AWS
United States of America
Vast.ai Vast.ai
United States of America
Founded
Amazon Web Services AWS
2006
Vast.ai Vast.ai
2018
Data Center Locations
Amazon Web Services AWS
31
Vast.ai Vast.ai
10
Example Customers
Amazon Web Services AWS
Vanguard, Disney, Samsung, Zocdoc, GoPro
Vast.ai Vast.ai
IBM, Brave, Speechify, Cognition, Bosch

Alternatives to consider

Compare AWS and Vast.ai against other cloud providers.

View all comparisons

Our data for AWS was last updated on Aug. 26, 2026, and for Vast.ai on Aug. 26, 2026.