OpenRouter vs Vast.ai

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

OpenRouter logo

OpenRouter

Provider 1

0
GPUs Available
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Vast.ai logo

Vast.ai

Provider 2

31
GPUs Available
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Comparison Overview

31
Total GPU Models
OpenRouter logo
0
OpenRouter GPUs
Vast.ai logo
31
Vast.ai GPUs
0
Direct Comparisons

GPU Pricing Comparison

Total GPUs: 31Both available: 0OpenRouter: 0Vast.ai: 31
Showing 15 of 31 GPUs
Last updated: 4/5/2026, 11:43:45 AM
A10
24GB VRAM •
Not Available
Vast.aiVast.ai
$0.15/hour
Updated: 4/4/2026
Best Price
A100 PCIE
40GB VRAM •
Not Available
Vast.aiVast.ai
$0.29/hour
Updated: 3/30/2026
Best Price
A2
16GB VRAM •
Not Available
Vast.aiVast.ai
$0.07/hour
Updated: 3/22/2026
Best Price
A40
48GB VRAM •
Not Available
Vast.aiVast.ai
$0.32/hour
Updated: 4/4/2026
Best Price
L4
24GB VRAM •
Not Available
Vast.aiVast.ai
$0.34/hour
Updated: 4/4/2026
Best Price
L40
40GB VRAM •
Not Available
Vast.aiVast.ai
$0.34/hour
Updated: 3/25/2026
Best Price
RTX 3070
8GB VRAM •
Not Available
Vast.aiVast.ai
$0.06/hour
Updated: 4/5/2026
Best Price
RTX 3070 Ti
8GB VRAM •
Not Available
Vast.aiVast.ai
$0.08/hour
Updated: 4/3/2026
Best Price
RTX 3080
10GB VRAM •
Not Available
Vast.aiVast.ai
$0.09/hour
Updated: 4/5/2026
Best Price
RTX 3080 Ti
12GB VRAM •
Not Available
Vast.aiVast.ai
$0.10/hour
Updated: 4/5/2026
Best Price
RTX 3090
24GB VRAM •
Not Available
Vast.aiVast.ai
$0.16/hour
Updated: 4/5/2026
Best Price
RTX 3090 Ti
24GB VRAM •
Not Available
Vast.aiVast.ai
$0.27/hour
Updated: 4/5/2026
Best Price
RTX 4060
8GB VRAM •
Not Available
Vast.aiVast.ai
$0.08/hour
Updated: 4/5/2026
Best Price
RTX 4060 Ti
8GB VRAM •
Not Available
Vast.aiVast.ai
$0.08/hour
Updated: 4/4/2026
Best Price
RTX 4070
12GB VRAM •
Not Available
Vast.aiVast.ai
$0.07/hour
Updated: 4/5/2026
Best Price

Features Comparison

OpenRouter

  • Unified Model Access

    Single API endpoint for 300+ models from dozens of providers

  • Automatic Fallback Routing

    Requests automatically route to the best available provider for each model

  • OpenAI-Compatible API

    Drop-in replacement using the OpenAI SDK format

  • Provider Optimization

    Routes to the fastest or cheapest provider based on your preference

  • Usage-Based Pricing

    Pay per token with no minimum commitments or subscriptions

  • Prompt Caching

    Reduced pricing for cached input tokens on supported models

Vast.ai

    Pros & Cons

    OpenRouter

    Advantages
    • Largest selection of models through a single API
    • Transparent per-token pricing with no markup on many models
    • Automatic failover across multiple providers
    • No vendor lock-in — switch models with a single parameter change
    Considerations
    • Aggregator pricing may include a small margin on some models
    • Latency may be slightly higher due to routing layer
    • No fine-tuning or custom model training

    Vast.ai

    Advantages
    • Cost-effective (5-6X cheaper than traditional cloud services)
    • Flexible pricing with on-demand and interruptible options
    • Real-time bidding system for cost optimization
    • Docker ecosystem for quick software deployment
    Considerations
    • Primarily focused on Linux-based Docker instances
    • No Windows support
    • Limited GUI options (SSH, Jupyter, or command-only)

    Compute Services

    OpenRouter

    Vast.ai

    Marketplace Instances

    On‑demand GPU rentals with live bidding and filters.

    Pricing Options

    OpenRouter

    Pay-per-token

    Usage-based pricing per input and output token, varying by model

    Prompt caching

    Discounted rates for cached input tokens on supported models

    Free models

    Select open-source models available at no cost

    Vast.ai

    Getting Started

    OpenRouter

    Get Started
    1. 1
      Create an account

      Sign up at openrouter.ai

    2. 2
      Get API key

      Generate an API key from your dashboard

    3. 3
      Choose a model

      Browse 300+ models across text, image, audio, and video

    4. 4
      Make API calls

      Use OpenAI-compatible endpoints with your OpenRouter key

    Support & Global Availability

    OpenRouter

    Global Regions

    Global — routes to providers across multiple regions for optimal latency

    Support

    Documentation, Discord community, and email support

    Vast.ai