Fireworks AI vs Vast.ai

Compare GPU pricing, features, and specifications between Fireworks AI and Vast.ai cloud providers. Find the best deals for AI training, inference, and ML workloads.

Fireworks AI logo

Fireworks AI

Provider 1

4
GPUs Available
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Vast.ai logo

Vast.ai

Provider 2

28
GPUs Available
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Comparison Overview

29
Total GPU Models
Fireworks AI logo
4
Fireworks AI GPUs
Vast.ai logo
28
Vast.ai GPUs
3
Direct Comparisons

Average Price Difference: $2.45/hour between comparable GPUs

GPU Pricing Comparison

Total GPUs: 29Both available: 3Fireworks AI: 4Vast.ai: 28
Showing 15 of 29 GPUs
Last updated: 1/25/2026, 2:58:44 AM
A10
24GB VRAM •
Not Available
Vast.aiVast.ai
$0.17/hour
Updated: 1/24/2026
Best Price
A100 PCIE
40GB VRAM •
Not Available
Vast.aiVast.ai
$0.87/hour
Updated: 3/31/2025
Best Price
A100 SXM
80GB VRAM •
Fireworks AIFireworks AI
$2.90/hour
Updated: 1/24/2026
Vast.aiVast.ai
$0.22/hour
Updated: 1/21/2026
Best Price
Price Difference:+$2.68(+1240.1%)
A2
16GB VRAM •
Not Available
Vast.aiVast.ai
$0.07/hour
Updated: 1/10/2026
Best Price
A40
48GB VRAM •
Not Available
Vast.aiVast.ai
$0.32/hour
Updated: 1/22/2026
Best Price
B200
192GB VRAM •
Fireworks AIFireworks AI
$9.00/hour
Updated: 1/24/2026
Best Price
Not Available
H100
80GB VRAM •
Fireworks AIFireworks AI
$4.00/hour
Updated: 1/24/2026
Vast.aiVast.ai
$2.27/hour
Updated: 6/25/2025
Best Price
Price Difference:+$1.73(+76.2%)
H200
141GB VRAM •
Fireworks AIFireworks AI
$6.00/hour
Updated: 1/24/2026
Vast.aiVast.ai
$3.06/hour
Updated: 6/25/2025
Best Price
Price Difference:+$2.94(+96.1%)
L40
40GB VRAM •
Not Available
Vast.aiVast.ai
$0.39/hour
Updated: 11/17/2025
Best Price
L40S
48GB VRAM •
Not Available
Vast.aiVast.ai
$0.44/hour
Updated: 12/5/2025
Best Price
RTX 3070
8GB VRAM •
Not Available
Vast.aiVast.ai
$0.08/hour
Updated: 1/24/2026
Best Price
RTX 3070 Ti
8GB VRAM •
Not Available
Vast.aiVast.ai
$0.11/hour
Updated: 1/23/2026
Best Price
RTX 3080
10GB VRAM •
Not Available
Vast.aiVast.ai
$0.08/hour
Updated: 1/24/2026
Best Price
RTX 3080 Ti
12GB VRAM •
Not Available
Vast.aiVast.ai
$0.06/hour
Updated: 1/24/2026
Best Price
RTX 3090
24GB VRAM •
Not Available
Vast.aiVast.ai
$0.11/hour
Updated: 1/24/2026
Best Price

Features Comparison

Fireworks AI

  • 400+ Open-Source Models

    Instant access to Llama, DeepSeek, Qwen, Mixtral, FLUX, Whisper, and more

  • Blazing Fast Inference

    Industry-leading throughput and latency processing 140B+ tokens daily

  • Fine-Tuning Suite

    SFT, DPO, and reinforcement fine-tuning with LoRA efficiency

  • OpenAI-Compatible API

    Drop-in replacement for easy migration from OpenAI

  • On-Demand GPUs

    A100, H100, H200, and B200 deployments with per-second billing

  • Batch Processing

    50% discount for async bulk inference workloads

Vast.ai

    Pros & Cons

    Fireworks AI

    Advantages
    • Lightning-fast inference with industry-leading response times
    • Easy-to-use API with excellent OpenAI compatibility
    • Wide variety of optimized open-source models
    • Competitive pricing with 50% off cached tokens and batch processing
    Considerations
    • Limited capacity with some serverless model limits
    • Primarily focused on language models over image/video generation
    • BYOC only available for major enterprise customers

    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

    Fireworks AI

    Vast.ai

    Marketplace Instances

    On‑demand GPU rentals with live bidding and filters.

    Pricing Options

    Fireworks AI

    Serverless pay-per-token

    Starting at $0.10/1M tokens for small models, $0.90/1M for large models

    Cached tokens

    50% discount on cached input tokens

    Batch processing

    50% discount on async bulk inference

    On-demand GPUs

    Per-second billing from $2.90/hr (A100) to $9.00/hr (B200)

    Vast.ai

    Getting Started

    Fireworks AI

    Get Started
    1. 1
      Explore Model Library

      Browse 400+ models at fireworks.ai/models

    2. 2
      Test in Playground

      Experiment with prompts interactively without coding

    3. 3
      Generate API Key

      Create an API key from user settings in your account

    4. 4
      Make first API call

      Use OpenAI-compatible endpoints or Fireworks SDK

    5. 5
      Scale to production

      Transition to on-demand GPU deployments for production workloads

    Support & Global Availability

    Fireworks AI

    Global Regions

    18+ global regions across 8 cloud providers with multi-region deployments and BYOC support for enterprise

    Support

    Documentation, Discord community, status page, email support, and dedicated enterprise support with SLAs

    Vast.ai