What is the difference between OpenRelay and Vast.ai?

OpenRelay and Vast.ai are both cloud GPU providers offering different pricing models, features, and GPU availability. Use our comparison tool to see real-time pricing and feature differences.

Which is cheaper: OpenRelay or Vast.ai?

Pricing varies by GPU model and usage requirements. Check our real-time comparison table to find the best deals for your specific needs.

Can I switch between OpenRelay and Vast.ai?

Yes, both providers offer flexible cloud GPU services. However, consider factors like data transfer costs, setup time, and specific features when switching between providers.

How many GPU models are available for comparison?

We track pricing for 64 different GPU models across both OpenRelay and Vast.ai, with 0 models available from both providers.

OpenRelay vs Vast.ai

Compare GPU and LLM inference API pricing between OpenRelay and Vast.ai. Find the best rates for AI training, inference, and ML workloads.

OpenRelay

Provider 1

GPUs Available

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Vast.ai

Provider 2

GPUs Available

Visit Website

Comparison Overview

Total GPU Models

OpenRelay GPUs

Vast.ai GPUs

Direct Comparisons

Average Price Difference: $0.64/hour between comparable GPUs

GPU Pricing Comparison

Total GPUs: 64Both available: 8OpenRelay: 9Vast.ai: 63

Showing 15 of 64 GPUs

Last updated: 10/5/2026, 2:54:28 PM

GPU Model ↑	OpenRelay Price	Vast.ai Price	Price Diff ↕	Sources
A100 PCIE 40GB VRAM • Vast.ai	Not Available	$0.53/hr★ Best 2x GPU	—	Vast.ai
A100 PCIE 40GB VRAM • Not Available Vast.ai $0.53/hour 2x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
A100 SXM 80GB VRAM • OpenRelayVast.ai	$1.10/hr	$0.47/hr★ Best 8x GPU	↑+$0.63(+135.4%)	OpenRelay Vast.ai
A100 SXM 80GB VRAM • OpenRelay $1.10/hour Updated: 10/5/2026 Vast.ai $0.47/hour 8x GPU configuration Updated: 10/5/2026 ★Best Price Price Difference:↑+$0.63(+135.4%) OpenRelay Vast.ai
A16 64GB VRAM • Vast.ai	Not Available	$0.11/hr★ Best	—	Vast.ai
A16 64GB VRAM • Not Available Vast.ai $0.11/hour Updated: 10/4/2026 ★Best Price Vast.ai
A40 48GB VRAM • Vast.ai	Not Available	$0.40/hr★ Best 4x GPU	—	Vast.ai
A40 48GB VRAM • Not Available Vast.ai $0.40/hour 4x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
B200 180GB VRAM • OpenRelayVast.ai	$5.50/hr★ Best	$6.25/hr	↓$0.75(12.0%)	OpenRelay Vast.ai
B200 180GB VRAM • OpenRelay $5.50/hour Updated: 10/5/2026 ★Best Price Vast.ai $6.25/hour Updated: 10/5/2026 Price Difference:↓$0.75(12.0%) OpenRelay Vast.ai
GTX 1070 8GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best	—	Vast.ai
GTX 1070 8GB VRAM • Not Available Vast.ai $0.05/hour Updated: 10/4/2026 ★Best Price Vast.ai
GTX 1070 Ti 8GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best 4x GPU	—	Vast.ai
GTX 1070 Ti 8GB VRAM • Not Available Vast.ai $0.06/hour 4x GPU configuration Updated: 10/5/2026 ★Best Price Vast.ai
GTX 1080 8GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best 6x GPU	—	Vast.ai
GTX 1080 8GB VRAM • Not Available Vast.ai $0.05/hour 6x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
GTX 1080 Ti 11GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best 4x GPU	—	Vast.ai
GTX 1080 Ti 11GB VRAM • Not Available Vast.ai $0.06/hour 4x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
GTX 1660 SUPER 6GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best 2x GPU	—	Vast.ai
GTX 1660 SUPER 6GB VRAM • Not Available Vast.ai $0.06/hour 2x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
GTX Titan X 12GB VRAM • Vast.ai	Not Available	$0.04/hr★ Best 2x GPU	—	Vast.ai
GTX Titan X 12GB VRAM • Not Available Vast.ai $0.04/hour 2x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
H100 NVL 94GB VRAM • Vast.ai	Not Available	$2.60/hr★ Best 2x GPU	—	Vast.ai
H100 NVL 94GB VRAM • Not Available Vast.ai $2.60/hour 2x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
H100 PCIe 80GB VRAM • Vast.ai	Not Available	$2.33/hr★ Best 8x GPU	—	Vast.ai
H100 PCIe 80GB VRAM • Not Available Vast.ai $2.33/hour 8x GPU configuration Updated: 10/5/2026 ★Best Price Vast.ai
H100 SXM 80GB VRAM • OpenRelayVast.ai	$2.60/hr	$1.79/hr★ Best 4x GPU	↑+$0.81(+45.5%)	OpenRelay Vast.ai
H100 SXM 80GB VRAM • OpenRelay $2.60/hour Updated: 10/5/2026 Vast.ai $1.79/hour 4x GPU configuration Updated: 10/5/2026 ★Best Price Price Difference:↑+$0.81(+45.5%) OpenRelay Vast.ai
H200 141GB VRAM • Vast.ai	Not Available	$4.41/hr★ Best 8x GPU	—	Vast.ai
H200 141GB VRAM • Not Available Vast.ai $4.41/hour 8x GPU configuration Updated: 10/5/2026 ★Best Price Vast.ai

A100 PCIE 40GB VRAM • Vast.ai	Not Available	$0.53/hr★ Best 2x GPU	—	Vast.ai
A100 PCIE 40GB VRAM • Not Available Vast.ai $0.53/hour 2x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
A100 SXM 80GB VRAM • OpenRelayVast.ai	$1.10/hr	$0.47/hr★ Best 8x GPU	↑+$0.63(+135.4%)	OpenRelay Vast.ai
A100 SXM 80GB VRAM • OpenRelay $1.10/hour Updated: 10/5/2026 Vast.ai $0.47/hour 8x GPU configuration Updated: 10/5/2026 ★Best Price Price Difference:↑+$0.63(+135.4%) OpenRelay Vast.ai
A16 64GB VRAM • Vast.ai	Not Available	$0.11/hr★ Best	—	Vast.ai
A16 64GB VRAM • Not Available Vast.ai $0.11/hour Updated: 10/4/2026 ★Best Price Vast.ai
A40 48GB VRAM • Vast.ai	Not Available	$0.40/hr★ Best 4x GPU	—	Vast.ai
A40 48GB VRAM • Not Available Vast.ai $0.40/hour 4x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
B200 180GB VRAM • OpenRelayVast.ai	$5.50/hr★ Best	$6.25/hr	↓$0.75(12.0%)	OpenRelay Vast.ai
B200 180GB VRAM • OpenRelay $5.50/hour Updated: 10/5/2026 ★Best Price Vast.ai $6.25/hour Updated: 10/5/2026 Price Difference:↓$0.75(12.0%) OpenRelay Vast.ai
GTX 1070 8GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best	—	Vast.ai
GTX 1070 8GB VRAM • Not Available Vast.ai $0.05/hour Updated: 10/4/2026 ★Best Price Vast.ai
GTX 1070 Ti 8GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best 4x GPU	—	Vast.ai
GTX 1070 Ti 8GB VRAM • Not Available Vast.ai $0.06/hour 4x GPU configuration Updated: 10/5/2026 ★Best Price Vast.ai
GTX 1080 8GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best 6x GPU	—	Vast.ai
GTX 1080 8GB VRAM • Not Available Vast.ai $0.05/hour 6x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
GTX 1080 Ti 11GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best 4x GPU	—	Vast.ai
GTX 1080 Ti 11GB VRAM • Not Available Vast.ai $0.06/hour 4x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
GTX 1660 SUPER 6GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best 2x GPU	—	Vast.ai
GTX 1660 SUPER 6GB VRAM • Not Available Vast.ai $0.06/hour 2x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
GTX Titan X 12GB VRAM • Vast.ai	Not Available	$0.04/hr★ Best 2x GPU	—	Vast.ai
GTX Titan X 12GB VRAM • Not Available Vast.ai $0.04/hour 2x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
H100 NVL 94GB VRAM • Vast.ai	Not Available	$2.60/hr★ Best 2x GPU	—	Vast.ai
H100 NVL 94GB VRAM • Not Available Vast.ai $2.60/hour 2x GPU configuration Updated: 10/4/2026 ★Best Price Vast.ai
H100 PCIe 80GB VRAM • Vast.ai	Not Available	$2.33/hr★ Best 8x GPU	—	Vast.ai
H100 PCIe 80GB VRAM • Not Available Vast.ai $2.33/hour 8x GPU configuration Updated: 10/5/2026 ★Best Price Vast.ai
H100 SXM 80GB VRAM • OpenRelayVast.ai	$2.60/hr	$1.79/hr★ Best 4x GPU	↑+$0.81(+45.5%)	OpenRelay Vast.ai
H100 SXM 80GB VRAM • OpenRelay $2.60/hour Updated: 10/5/2026 Vast.ai $1.79/hour 4x GPU configuration Updated: 10/5/2026 ★Best Price Price Difference:↑+$0.81(+45.5%) OpenRelay Vast.ai
H200 141GB VRAM • Vast.ai	Not Available	$4.41/hr★ Best 8x GPU	—	Vast.ai
H200 141GB VRAM • Not Available Vast.ai $4.41/hour 8x GPU configuration Updated: 10/5/2026 ★Best Price Vast.ai

LLM API Pricing Comparison

Total models: 7Both available: 0OpenRelay: 7Vast.ai: 0

Showing 7 of 7 models

Prices per 1M tokens · Last updated: 10/5/2026, 2:54:27 PM

Model ↑	OpenRelay	Vast.ai	Input Diff ↕
BAAI bge-m3 BAAI	$0.013 in $0.0000 out	Not available	—
DeepSeek V4 Flash DeepSeek	$0.220 in $0.660 out	Not available	—
GLM-5.2 Zhipu	$1.82 in $5.72 out	Not available	—
GLM-5.3-Flash Z AI	$0.195 in $0.650 out	Not available	—
GPT-OSS-120B OpenAI	$0.150 in $0.600 out	Not available	—
GPT-OSS-20B OpenAI	$0.050 in $0.200 out	Not available	—
Qwen3.8 27B Alibaba	$0.420 in $3.00 out	Not available	—

Features Comparison

OpenRelay

Global GPU Capacity
A worldwide network of GPUs accessible through a single platform.
Automatic Failover
Traffic is rerouted to healthy nodes to ensure service continuity.
Instant Load Balancing
Requests are distributed evenly across available resources.
API Integration
Compatible with existing OpenAI SDKs and other client implementations.
Serverless Inference
Model hosting that scales according to traffic demands.

Vast.ai

Real-Time GPU Pricing
Prices set by supply and demand across the platform with no list prices or hidden fees
Three Deployment Options
GPU Cloud for full control, Serverless for zero-ops inference, Clusters for large-scale training
Developer-Focused Tools
CLI, Python SDK, and REST API for programmatic GPU provisioning, installed together via a single package
Agent-Ready Provisioning
API-native workflow intended for AI agents to search, procure, and release compute autonomously
Model Library and Templates
Prebuilt templates for popular open-source models, plus custom templates any GPU can run with one click
Flexible Infrastructure
Scale from a small starting balance to 20,000 GPUs across 40+ data centers without contracts or minimums

Pros & Cons

OpenRelay

Advantages

Global infrastructure for increased availability
Support for multiple AI models
Comprehensive documentation and API resources
Flexible resource management

Considerations

Limited information on company ownership
Headquarters location not specified
No details on legal entity registration

Vast.ai

Advantages

Significant cost savings with supply-demand pricing
Flexible pricing with on-demand, interruptible, and reserved options
Real-time transparent pricing with no hidden fees
Docker ecosystem for quick software deployment

Considerations

Primarily focused on Linux-based Docker instances
Performance may vary across different community providers
Learning curve for users unfamiliar with marketplace-based pricing

Compute Services

OpenRelay

Vast.ai

GPU Cloud

On-demand instances across 40+ data centers and 20,000+ GPUs

Serverless

Deploy models as endpoints with autoscaling to zero

Clusters

Dedicated multi-node GPU clusters with InfiniBand networking

Pricing Options

OpenRelay

Vast.ai

On-Demand

Guaranteed uptime with per-second billing. Best for production workloads.

Interruptible

50%+ cheaper preemptible instances. Best for fault-tolerant batch training.

Reserved

Up to 50% off with 1, 3, or 6 month commitments. Guaranteed capacity with volume discounts.

Serverless

Endpoint rates billed only for compute time, with no charge while workers are scaled to zero.

Getting Started

OpenRelay

Get Started

1
Create an Account
Sign up on the OpenRelay website to access services.
2
Launch a GPU
Select from available NVIDIA GPUs and initiate a virtual machine.
3
Explore Inference APIs
Utilize various hosted models through the Inference API.
4
Integrate API Key
Configure your application to authenticate with OpenRelay's API.
5
Deploy Workloads
Use CLI tools or dashboard to manage deployments.

Vast.ai

Get Started

1
Add credit and get your API key
Add credit and grab an API key from the console. No contracts, no sales calls.
2
Search GPUs
Filter by model, VRAM, price, and availability via the console or API
3
Deploy
Launch instances in seconds. Scale up or down programmatically.

Support & Global Availability

OpenRelay

Global Regions

Available globally

Support

Support via documentation and contact options.

Vast.ai

Global Regions

40+ data centers with global coverage including community and enterprise providers

Support

24/7 support chat in the console, email support at contact@vast.ai, Discord community, and documentation covering the CLI, SDK, and REST API