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
Provider 1
Vast.ai
Provider 2
Comparison Overview
Average Price Difference: $2.45/hour between comparable GPUs
GPU Pricing Comparison
| GPU Model ↑ | Fireworks AI Price | Vast.ai Price | Price Diff ↕ | Sources |
|---|---|---|---|---|
A10 24GB VRAM • Vast.ai | Not Available | — | ||
A10 24GB VRAM • | ||||
A100 PCIE 40GB VRAM • Vast.ai | Not Available | — | ||
A100 PCIE 40GB VRAM • | ||||
A100 SXM 80GB VRAM • Fireworks AIVast.ai | ↑+$2.68(+1240.1%) | |||
A100 SXM 80GB VRAM • $2.90/hour Updated: 1/24/2026 $0.22/hour Updated: 1/21/2026 ★Best Price Price Difference:↑+$2.68(+1240.1%) | ||||
A2 16GB VRAM • Vast.ai | Not Available | — | ||
A2 16GB VRAM • | ||||
A40 48GB VRAM • Vast.ai | Not Available | — | ||
A40 48GB VRAM • | ||||
B200 192GB VRAM • Fireworks AI | Not Available | — | ||
B200 192GB VRAM • | ||||
H100 80GB VRAM • Fireworks AIVast.ai | ↑+$1.73(+76.2%) | |||
H100 80GB VRAM • $4.00/hour Updated: 1/24/2026 $2.27/hour Updated: 6/25/2025 ★Best Price Price Difference:↑+$1.73(+76.2%) | ||||
H200 141GB VRAM • Fireworks AIVast.ai | ↑+$2.94(+96.1%) | |||
H200 141GB VRAM • $6.00/hour Updated: 1/24/2026 $3.06/hour Updated: 6/25/2025 ★Best Price Price Difference:↑+$2.94(+96.1%) | ||||
L40 40GB VRAM • Vast.ai | Not Available | — | ||
L40 40GB VRAM • | ||||
L40S 48GB VRAM • Vast.ai | Not Available | — | ||
L40S 48GB VRAM • | ||||
RTX 3070 8GB VRAM • Vast.ai | Not Available | — | ||
RTX 3070 8GB VRAM • | ||||
RTX 3070 Ti 8GB VRAM • Vast.ai | Not Available | — | ||
RTX 3070 Ti 8GB VRAM • | ||||
RTX 3080 10GB VRAM • Vast.ai | Not Available | — | ||
RTX 3080 10GB VRAM • | ||||
RTX 3080 Ti 12GB VRAM • Vast.ai | Not Available | — | ||
RTX 3080 Ti 12GB VRAM • | ||||
RTX 3090 24GB VRAM • Vast.ai | Not Available | — | ||
RTX 3090 24GB VRAM • | ||||
A10 24GB VRAM • Vast.ai | Not Available | — | ||
A10 24GB VRAM • | ||||
A100 PCIE 40GB VRAM • Vast.ai | Not Available | — | ||
A100 PCIE 40GB VRAM • | ||||
A100 SXM 80GB VRAM • Fireworks AIVast.ai | ↑+$2.68(+1240.1%) | |||
A100 SXM 80GB VRAM • $2.90/hour Updated: 1/24/2026 $0.22/hour Updated: 1/21/2026 ★Best Price Price Difference:↑+$2.68(+1240.1%) | ||||
A2 16GB VRAM • Vast.ai | Not Available | — | ||
A2 16GB VRAM • | ||||
A40 48GB VRAM • Vast.ai | Not Available | — | ||
A40 48GB VRAM • | ||||
B200 192GB VRAM • Fireworks AI | Not Available | — | ||
B200 192GB VRAM • | ||||
H100 80GB VRAM • Fireworks AIVast.ai | ↑+$1.73(+76.2%) | |||
H100 80GB VRAM • $4.00/hour Updated: 1/24/2026 $2.27/hour Updated: 6/25/2025 ★Best Price Price Difference:↑+$1.73(+76.2%) | ||||
H200 141GB VRAM • Fireworks AIVast.ai | ↑+$2.94(+96.1%) | |||
H200 141GB VRAM • $6.00/hour Updated: 1/24/2026 $3.06/hour Updated: 6/25/2025 ★Best Price Price Difference:↑+$2.94(+96.1%) | ||||
L40 40GB VRAM • Vast.ai | Not Available | — | ||
L40 40GB VRAM • | ||||
L40S 48GB VRAM • Vast.ai | Not Available | — | ||
L40S 48GB VRAM • | ||||
RTX 3070 8GB VRAM • Vast.ai | Not Available | — | ||
RTX 3070 8GB VRAM • | ||||
RTX 3070 Ti 8GB VRAM • Vast.ai | Not Available | — | ||
RTX 3070 Ti 8GB VRAM • | ||||
RTX 3080 10GB VRAM • Vast.ai | Not Available | — | ||
RTX 3080 10GB VRAM • | ||||
RTX 3080 Ti 12GB VRAM • Vast.ai | Not Available | — | ||
RTX 3080 Ti 12GB VRAM • | ||||
RTX 3090 24GB VRAM • Vast.ai | Not Available | — | ||
RTX 3090 24GB VRAM • | ||||
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
- 1
Explore Model Library
Browse 400+ 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
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
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