What is the difference between Perplexity and Vast.ai?

Perplexity 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: Perplexity 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 Perplexity 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 63 different GPU models across both Perplexity and Vast.ai, with 0 models available from both providers.

Perplexity vs Vast.ai

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

Perplexity

Provider 1

GPUs Available

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Vast.ai

Provider 2

GPUs Available

Visit Website

Comparison Overview

Total GPU Models

Perplexity GPUs

Vast.ai GPUs

Direct Comparisons

GPU Pricing Comparison

Total GPUs: 63Both available: 0Perplexity: 0Vast.ai: 63

Showing 15 of 63 GPUs

Last updated: 10/19/2026, 6:35:42 PM

GPU Model ↑	Perplexity Price	Vast.ai Price	Price Diff ↕	Sources
A100 PCIE 40GB VRAM • Vast.ai	Not Available	$0.57/hr★ Best	—	Vast.ai
A100 PCIE 40GB VRAM • Not Available Vast.ai $0.57/hour Updated: 10/19/2026 ★Best Price Vast.ai
A100 PCIe 80GB 80GB VRAM • Vast.ai	Not Available	$1.00/hr★ Best 2x GPU	—	Vast.ai
A100 PCIe 80GB 80GB VRAM • Not Available Vast.ai $1.00/hour 2x GPU configuration Updated: 10/19/2026 ★Best Price Vast.ai
A100 SXM 80GB VRAM • Vast.ai	Not Available	$1.08/hr★ Best	—	Vast.ai
A100 SXM 80GB VRAM • Not Available Vast.ai $1.08/hour Updated: 10/19/2026 ★Best Price Vast.ai
A100 SXM 40GB 40GB VRAM • Vast.ai	Not Available	$0.48/hr★ Best 8x GPU	—	Vast.ai
A100 SXM 40GB 40GB VRAM • Not Available Vast.ai $0.48/hour 8x GPU configuration Updated: 10/19/2026 ★Best Price Vast.ai
A40 48GB VRAM • Vast.ai	Not Available	$0.53/hr★ Best 2x GPU	—	Vast.ai
A40 48GB VRAM • Not Available Vast.ai $0.53/hour 2x GPU configuration Updated: 10/19/2026 ★Best Price Vast.ai
B200 180GB VRAM • Vast.ai	Not Available	$6.25/hr★ Best 2x GPU	—	Vast.ai
B200 180GB VRAM • Not Available Vast.ai $6.25/hour 2x GPU configuration Updated: 10/18/2026 ★Best Price Vast.ai
GTX 1080 8GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best 2x GPU	—	Vast.ai
GTX 1080 8GB VRAM • Not Available Vast.ai $0.05/hour 2x GPU configuration Updated: 10/19/2026 ★Best Price Vast.ai
GTX 1080 Ti 11GB VRAM • Vast.ai	Not Available	$0.07/hr★ Best	—	Vast.ai
GTX 1080 Ti 11GB VRAM • Not Available Vast.ai $0.07/hour Updated: 10/19/2026 ★Best Price Vast.ai
GTX 1650 4GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best	—	Vast.ai
GTX 1650 4GB VRAM • Not Available Vast.ai $0.05/hour Updated: 10/19/2026 ★Best Price Vast.ai
GTX 1660 6GB VRAM • Vast.ai	Not Available	$0.08/hr★ Best 2x GPU	—	Vast.ai
GTX 1660 6GB VRAM • Not Available Vast.ai $0.08/hour 2x GPU configuration Updated: 10/18/2026 ★Best Price Vast.ai
GTX 1660 SUPER 6GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best	—	Vast.ai
GTX 1660 SUPER 6GB VRAM • Not Available Vast.ai $0.06/hour Updated: 10/19/2026 ★Best Price Vast.ai
GTX 1660 Ti 6GB VRAM • Vast.ai	Not Available	$0.08/hr★ Best	—	Vast.ai
GTX 1660 Ti 6GB VRAM • Not Available Vast.ai $0.08/hour Updated: 10/19/2026 ★Best Price Vast.ai
GTX Titan X 12GB VRAM • Vast.ai	Not Available	$0.07/hr★ Best	—	Vast.ai
GTX Titan X 12GB VRAM • Not Available Vast.ai $0.07/hour Updated: 10/19/2026 ★Best Price Vast.ai
H100 NVL 94GB VRAM • Vast.ai	Not Available	$2.67/hr★ Best 4x GPU	—	Vast.ai
H100 NVL 94GB VRAM • Not Available Vast.ai $2.67/hour 4x GPU configuration Updated: 10/18/2026 ★Best Price Vast.ai
H100 PCIe 80GB VRAM • Vast.ai	Not Available	$2.00/hr★ Best 2x GPU	—	Vast.ai
H100 PCIe 80GB VRAM • Not Available Vast.ai $2.00/hour 2x GPU configuration Updated: 10/19/2026 ★Best Price Vast.ai

A100 PCIE 40GB VRAM • Vast.ai	Not Available	$0.57/hr★ Best	—	Vast.ai
A100 PCIE 40GB VRAM • Not Available Vast.ai $0.57/hour Updated: 10/19/2026 ★Best Price Vast.ai
A100 PCIe 80GB 80GB VRAM • Vast.ai	Not Available	$1.00/hr★ Best 2x GPU	—	Vast.ai
A100 PCIe 80GB 80GB VRAM • Not Available Vast.ai $1.00/hour 2x GPU configuration Updated: 10/19/2026 ★Best Price Vast.ai
A100 SXM 80GB VRAM • Vast.ai	Not Available	$1.08/hr★ Best	—	Vast.ai
A100 SXM 80GB VRAM • Not Available Vast.ai $1.08/hour Updated: 10/19/2026 ★Best Price Vast.ai
A100 SXM 40GB 40GB VRAM • Vast.ai	Not Available	$0.48/hr★ Best 8x GPU	—	Vast.ai
A100 SXM 40GB 40GB VRAM • Not Available Vast.ai $0.48/hour 8x GPU configuration Updated: 10/19/2026 ★Best Price Vast.ai
A40 48GB VRAM • Vast.ai	Not Available	$0.53/hr★ Best 2x GPU	—	Vast.ai
A40 48GB VRAM • Not Available Vast.ai $0.53/hour 2x GPU configuration Updated: 10/19/2026 ★Best Price Vast.ai
B200 180GB VRAM • Vast.ai	Not Available	$6.25/hr★ Best 2x GPU	—	Vast.ai
B200 180GB VRAM • Not Available Vast.ai $6.25/hour 2x GPU configuration Updated: 10/18/2026 ★Best Price Vast.ai
GTX 1080 8GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best 2x GPU	—	Vast.ai
GTX 1080 8GB VRAM • Not Available Vast.ai $0.05/hour 2x GPU configuration Updated: 10/19/2026 ★Best Price Vast.ai
GTX 1080 Ti 11GB VRAM • Vast.ai	Not Available	$0.07/hr★ Best	—	Vast.ai
GTX 1080 Ti 11GB VRAM • Not Available Vast.ai $0.07/hour Updated: 10/19/2026 ★Best Price Vast.ai
GTX 1650 4GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best	—	Vast.ai
GTX 1650 4GB VRAM • Not Available Vast.ai $0.05/hour Updated: 10/19/2026 ★Best Price Vast.ai
GTX 1660 6GB VRAM • Vast.ai	Not Available	$0.08/hr★ Best 2x GPU	—	Vast.ai
GTX 1660 6GB VRAM • Not Available Vast.ai $0.08/hour 2x GPU configuration Updated: 10/18/2026 ★Best Price Vast.ai
GTX 1660 SUPER 6GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best	—	Vast.ai
GTX 1660 SUPER 6GB VRAM • Not Available Vast.ai $0.06/hour Updated: 10/19/2026 ★Best Price Vast.ai
GTX 1660 Ti 6GB VRAM • Vast.ai	Not Available	$0.08/hr★ Best	—	Vast.ai
GTX 1660 Ti 6GB VRAM • Not Available Vast.ai $0.08/hour Updated: 10/19/2026 ★Best Price Vast.ai
GTX Titan X 12GB VRAM • Vast.ai	Not Available	$0.07/hr★ Best	—	Vast.ai
GTX Titan X 12GB VRAM • Not Available Vast.ai $0.07/hour Updated: 10/19/2026 ★Best Price Vast.ai
H100 NVL 94GB VRAM • Vast.ai	Not Available	$2.67/hr★ Best 4x GPU	—	Vast.ai
H100 NVL 94GB VRAM • Not Available Vast.ai $2.67/hour 4x GPU configuration Updated: 10/18/2026 ★Best Price Vast.ai
H100 PCIe 80GB VRAM • Vast.ai	Not Available	$2.00/hr★ Best 2x GPU	—	Vast.ai
H100 PCIe 80GB VRAM • Not Available Vast.ai $2.00/hour 2x GPU configuration Updated: 10/19/2026 ★Best Price Vast.ai

LLM API Pricing Comparison

Total models: 4Both available: 0Perplexity: 4Vast.ai: 0

Showing 4 of 4 models

Prices per 1M tokens · Last updated: 10/19/2026, 6:35:42 PM

Model ↑	Perplexity	Vast.ai	Input Diff ↕
Sonar Perplexity	$1.00 in $1.00 out	Not available	—
Sonar Deep Research Perplexity	$2.00 in $8.00 out	Not available	—
Sonar Pro Perplexity	$3.00 in $15.00 out	Not available	—
Sonar Reasoning Pro Perplexity	$2.00 in $8.00 out	Not available	—

Features Comparison

Perplexity

Sonar Search Models
Proprietary models combining LLM reasoning with real-time web search and citations
Online Grounding
Responses include inline citations and sources from live web data
OpenAI-Compatible API
Drop-in replacement using standard chat completions format
Open-Source Models
Access to Llama and other open-source models alongside Sonar
Structured Outputs
JSON mode and structured output support for reliable parsing
Search Domain Filtering
Restrict or focus web search to specific domains for targeted results

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

Perplexity

Advantages

Unique search-augmented generation with real-time web data
Built-in citations reduce hallucination risk
OpenAI-compatible API for easy integration
Competitive pricing on open-source model hosting

Considerations

Smaller model selection than general-purpose platforms
Search-augmented models have higher per-request costs
Less mature enterprise offering compared to larger providers

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

Perplexity

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

Perplexity

Pay-per-token

Per million token pricing with separate input and output rates

Search pricing

Per-request pricing for search-augmented Sonar queries

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

Perplexity

Get Started

1
Create an account
Sign up at perplexity.ai and navigate to API settings
2
Generate API key
Create an API key from your account settings
3
Choose a model
Select from Sonar (search-augmented) or standard open-source models
4
Make first API call
Use the OpenAI-compatible chat completions endpoint

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

Perplexity

Global Regions

Global availability via cloud infrastructure

Support

API documentation, Discord community, email support

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