What is the difference between Fireworks AI and Vast.ai?

Fireworks AI 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: Fireworks AI 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 Fireworks AI 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 65 different GPU models across both Fireworks AI and Vast.ai, with 0 models available from both providers.

Fireworks AI vs Vast.ai

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

Fireworks AI

Provider 1

GPUs Available

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Vast.ai

Provider 2

GPUs Available

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Comparison Overview

Total GPU Models

Fireworks AI GPUs

Vast.ai GPUs

Direct Comparisons

GPU Pricing Comparison

Total GPUs: 65Both available: 0Fireworks AI: 0Vast.ai: 65

Showing 15 of 65 GPUs

Last updated: 10/28/2026, 6:51:22 AM

GPU Model ↑	Fireworks AI Price	Vast.ai Price	Price Diff ↕	Sources
A100 PCIE 40GB VRAM • Vast.ai	Not Available	$0.40/hr★ Best 4x GPU	—	Vast.ai
A100 PCIE 40GB VRAM • Not Available Vast.ai $0.40/hour 4x GPU configuration Updated: 10/28/2026 ★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: 10/28/2026 ★Best Price Vast.ai
A100 SXM 80GB VRAM • Vast.ai	Not Available	$1.13/hr★ Best 8x GPU	—	Vast.ai
A100 SXM 80GB VRAM • Not Available Vast.ai $1.13/hour 8x GPU configuration Updated: 10/27/2026 ★Best Price Vast.ai
A100 SXM 40GB 40GB VRAM • Vast.ai	Not Available	$0.73/hr★ Best	—	Vast.ai
A100 SXM 40GB 40GB VRAM • Not Available Vast.ai $0.73/hour Updated: 10/28/2026 ★Best Price Vast.ai
A40 48GB VRAM • Vast.ai	Not Available	$0.40/hr★ Best 2x GPU	—	Vast.ai
A40 48GB VRAM • Not Available Vast.ai $0.40/hour 2x GPU configuration Updated: 10/28/2026 ★Best Price Vast.ai
B200 180GB VRAM • Vast.ai	Not Available	$6.25/hr★ Best	—	Vast.ai
B200 180GB VRAM • Not Available Vast.ai $6.25/hour Updated: 10/28/2026 ★Best Price Vast.ai
GTX 1070 Ti 8GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best 4x GPU	—	Vast.ai
GTX 1070 Ti 8GB VRAM • Not Available Vast.ai $0.05/hour 4x GPU configuration Updated: 10/28/2026 ★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: 10/28/2026 ★Best Price Vast.ai
GTX 1080 Ti 11GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best 2x GPU	—	Vast.ai
GTX 1080 Ti 11GB VRAM • Not Available Vast.ai $0.06/hour 2x GPU configuration Updated: 10/28/2026 ★Best Price Vast.ai
GTX 1650 4GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best 2x GPU	—	Vast.ai
GTX 1650 4GB VRAM • Not Available Vast.ai $0.05/hour 2x GPU configuration Updated: 10/28/2026 ★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: 10/28/2026 ★Best Price Vast.ai
GTX 1660 Ti 6GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best 2x GPU	—	Vast.ai
GTX 1660 Ti 6GB VRAM • Not Available Vast.ai $0.06/hour 2x GPU configuration Updated: 10/27/2026 ★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: 10/28/2026 ★Best Price Vast.ai
H100 NVL 94GB VRAM • Vast.ai	Not Available	$2.61/hr★ Best 2x GPU	—	Vast.ai
H100 NVL 94GB VRAM • Not Available Vast.ai $2.61/hour 2x GPU configuration Updated: 10/28/2026 ★Best Price Vast.ai
H100 PCIe 80GB VRAM • Vast.ai	Not Available	$2.27/hr★ Best 2x GPU	—	Vast.ai
H100 PCIe 80GB VRAM • Not Available Vast.ai $2.27/hour 2x GPU configuration Updated: 10/28/2026 ★Best Price Vast.ai

A100 PCIE 40GB VRAM • Vast.ai	Not Available	$0.40/hr★ Best 4x GPU	—	Vast.ai
A100 PCIE 40GB VRAM • Not Available Vast.ai $0.40/hour 4x GPU configuration Updated: 10/28/2026 ★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: 10/28/2026 ★Best Price Vast.ai
A100 SXM 80GB VRAM • Vast.ai	Not Available	$1.13/hr★ Best 8x GPU	—	Vast.ai
A100 SXM 80GB VRAM • Not Available Vast.ai $1.13/hour 8x GPU configuration Updated: 10/27/2026 ★Best Price Vast.ai
A100 SXM 40GB 40GB VRAM • Vast.ai	Not Available	$0.73/hr★ Best	—	Vast.ai
A100 SXM 40GB 40GB VRAM • Not Available Vast.ai $0.73/hour Updated: 10/28/2026 ★Best Price Vast.ai
A40 48GB VRAM • Vast.ai	Not Available	$0.40/hr★ Best 2x GPU	—	Vast.ai
A40 48GB VRAM • Not Available Vast.ai $0.40/hour 2x GPU configuration Updated: 10/28/2026 ★Best Price Vast.ai
B200 180GB VRAM • Vast.ai	Not Available	$6.25/hr★ Best	—	Vast.ai
B200 180GB VRAM • Not Available Vast.ai $6.25/hour Updated: 10/28/2026 ★Best Price Vast.ai
GTX 1070 Ti 8GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best 4x GPU	—	Vast.ai
GTX 1070 Ti 8GB VRAM • Not Available Vast.ai $0.05/hour 4x GPU configuration Updated: 10/28/2026 ★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: 10/28/2026 ★Best Price Vast.ai
GTX 1080 Ti 11GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best 2x GPU	—	Vast.ai
GTX 1080 Ti 11GB VRAM • Not Available Vast.ai $0.06/hour 2x GPU configuration Updated: 10/28/2026 ★Best Price Vast.ai
GTX 1650 4GB VRAM • Vast.ai	Not Available	$0.05/hr★ Best 2x GPU	—	Vast.ai
GTX 1650 4GB VRAM • Not Available Vast.ai $0.05/hour 2x GPU configuration Updated: 10/28/2026 ★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: 10/28/2026 ★Best Price Vast.ai
GTX 1660 Ti 6GB VRAM • Vast.ai	Not Available	$0.06/hr★ Best 2x GPU	—	Vast.ai
GTX 1660 Ti 6GB VRAM • Not Available Vast.ai $0.06/hour 2x GPU configuration Updated: 10/27/2026 ★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: 10/28/2026 ★Best Price Vast.ai
H100 NVL 94GB VRAM • Vast.ai	Not Available	$2.61/hr★ Best 2x GPU	—	Vast.ai
H100 NVL 94GB VRAM • Not Available Vast.ai $2.61/hour 2x GPU configuration Updated: 10/28/2026 ★Best Price Vast.ai
H100 PCIe 80GB VRAM • Vast.ai	Not Available	$2.27/hr★ Best 2x GPU	—	Vast.ai
H100 PCIe 80GB VRAM • Not Available Vast.ai $2.27/hour 2x GPU configuration Updated: 10/28/2026 ★Best Price Vast.ai

LLM API Pricing Comparison

Total models: 4Both available: 0Fireworks AI: 4Vast.ai: 0

Showing 4 of 4 models

Prices per 1M tokens · Last updated: 10/28/2026, 6:51:22 AM

Model ↑	Fireworks AI	Vast.ai	Input Diff ↕
DeepSeek V4.1 Flash DeepSeek	$0.300 in $1.20 out	Not available	—
GLM-5.3 Z.ai	$1.40 in $4.40 out	Not available	—
GLM-5.3-Flash Z.ai	$0.150 in $0.500 out	Not available	—
MiniMax-M3.1-Flash MiniMax	$0.150 in $0.600 out	Not available	—

Features Comparison

Fireworks AI

100+ Open-Source Models
Text, vision, audio, image, and embedding models, including recent releases such as Kimi K3, GLM 5.2, DeepSeek V4, MiniMax M3, and Qwen3.7 Plus
Blazing Fast Inference
Inference engine focused on throughput and latency
Fine-Tuning Suite
SFT, DPO, and reinforcement fine-tuning of models up to 1T+ parameters, from guided runs through writing your own trainer and RL loop
OpenAI- and Anthropic-Compatible API
Drop-in replacement for closed-model APIs - change the base URL to migrate, with the same SFT data format for fine-tuning
On-Demand GPUs
H100, H200, B200, B300, and GB300 deployments with per-second billing and autoscaling
Batch Processing
Async bulk inference jobs run at scale for less than standard serverless requests

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

Fireworks AI

Advantages

Low-latency inference with a focus on response times
Easy-to-use API with OpenAI and Anthropic compatibility
Wide variety of optimized open-source models
Discounted pricing for cached tokens and batch inference

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

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

Fireworks AI

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

Fireworks AI

Serverless Inference

Pay-per-token pricing across Standard, Priority, and Fast serverless tiers with postpaid billing and no cold starts

Cached tokens

Cached input tokens billed at a reduced rate on supported models

Batch processing

Async bulk inference billed at a discount to standard serverless requests

Embeddings

Embedding models billed per 1M input tokens, tiered by model parameter count

Fine Tuning

Supervised and preference fine tuning billed per 1M training tokens with LoRA or full-parameter options; reinforcement fine tuning billed per GPU hour

Serverless Training API

Shared always-on trainer pool for LoRA training with no provisioning or idle cost, billed per token prefilled, sampled, and trained

On-demand GPUs

Per-second billing for H100, H200, B200, B300, and GB300 GPU deployments with no start-up charges; region-restricted deployments in the US or Europe are priced at 1.25x the standard rate

Reserved capacity

Guaranteed capacity with higher rate limits and earliest access to new hardware, arranged through sales

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

Fireworks AI

Get Started

1
Explore Model Library
Browse 100+ models at fireworks.ai/models
2
Test in Playground
Experiment with prompts interactively without coding
3
Generate API Key
Create an API key from user settings in your account
4
Make first API call
Use OpenAI-compatible endpoints or Fireworks SDK
5
Scale to production
Transition to on-demand GPU deployments for production workloads

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

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

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