Vast.ai

GPU cloud marketplace for renting compute by the second.

About Vast.ai

Vast.ai is a marketplace and developer platform for GPU compute. It aggregates machines from dozens of data centers and independent hosts, letting developers rent GPUs for training, inference, and batch workloads with per-second billing. Users can choose on-demand instances for guaranteed uptime, interruptible instances for lower cost, or reserved capacity for steady workloads, and compare live market prices across many GPU models.

Vast.ai website preview

Live preview of vast.ai via the WordPress mShots service — it can take a few seconds to generate on a first visit.

Vast.ai: strengths & things to check

Strengths

Paid product with a commercial model behind it — support and continued development are funded by paying customers.
Covers gpu cloud, compute rental, ai training, marketplace — see the focus areas listed in its key facts.
Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

No free tier is listed in this directory — budget for a paid plan, and use any trial the official site offers before buying.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 1164 tools in the Developer Tools category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

Vast.ai pricing

Pricing model	Paid — this directory does not list a free tier for it.
Free access	No free tier listed
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	vast.ai

Vast.ai key facts

Category: Developer Tools
Pricing: Paid — this directory does not list a free tier for it.
Focus areas: gpu cloud, compute rental, ai training, marketplace
Official site: vast.ai

Vast.ai FAQ

How much does Vast.ai cost?

Paid — this directory does not list a free tier for it. Current plans and prices are listed on the official site (vast.ai).

What is Vast.ai used for?

GPU cloud marketplace for renting compute by the second. Its focus areas in the Developer Tools category: gpu cloud, compute rental, ai training, marketplace.

Where can I try Vast.ai?

On its official site, vast.ai — the Visit Official Site button above goes straight there.

Vast.ai vs alternatives

	Vast.ai	Lambda	CoreWeave	Nebius AI Cloud
Pricing	Paid — this directory does not list a free tier for it.	Paid — this directory does not list a free tier for it.	Paid — this directory does not list a free tier for it.	Paid — this directory does not list a free tier for it.
Focus areas	gpu cloud, compute rental, ai training, marketplace	gpu cloud, ai training, inference, nvidia	gpu cloud, ai infrastructure, kubernetes, training	gpu cloud, ai infrastructure, kubernetes, model training
Official site	vast.ai	lambda.ai	coreweave.com	nebius.com
Directory status	Listed	Listed	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Developer Tools category

Editors, platforms, and services developers rely on to build and ship software. The Developer Tools category on Tools Hub currently lists 1164 tools. Alongside Vast.ai, it includes HandyAI, mosparo, DreamFactory, Trac.

PaidDeveloper Toolsgpu-cloudcompute-rentalai-trainingmarketplace

Alternatives to Vast.ai

Tools in the same Developer Tools category that share focus areas with Vast.ai — worth comparing before you commit:

Developer Tools

Lambda

GPU cloud providing supercomputing for AI training and inference workloads.

Paidgpu-cloudai-traininginferencenvidia

Developer Tools

CoreWeave

The essential cloud for AI

Paidgpu-cloudai-infrastructurekubernetestraining

Developer Tools

Nebius AI Cloud

The ultimate AI cloud for building, tuning and running AI models

Paidgpu-cloudai-infrastructurekubernetesmodel-training

Developer Tools

RunPod

GPU cloud for AI training and inference

Paidgpu-cloudinferencetraining

Developer Tools

SaladCloud

Orchestration for distributed infrastructure and the world's idle GPUs — GPUs from $0.015 per hour

Paidgpu-cloudcontainersinferencedistributed-compute

Developer Tools

Together AI

The AI native cloud for inference, training and GPU compute

Paidllm-inferencefine-tuninggpu-cloudapi

More in Developer Tools

Comparing tools in the Developer Tools category? These related listings are worth a look: HandyAI — Free in-browser tools for LLM developers: token counters and cost calculators; mosparo — Modern spam protection for web forms, without puzzles or CAPTCHAs; DreamFactory — Let AI query your data, not your database.