OpenAI vs Vast.ai
Compare GPU pricing, features, and specifications between OpenAI and Vast.ai cloud providers. Find the best deals for AI training, inference, and ML workloads.
OpenAI
Provider 1
Vast.ai
Provider 2
Comparison Overview
GPU Pricing Comparison
| GPU Model ↑ | OpenAI Price | Vast.ai Price | Price Diff ↕ | Sources |
|---|---|---|---|---|
A10 24GB VRAM • Vast.ai | Not Available |  $0.20/hr★ Best | — | |
A10 24GB VRAM • | ||||
A100 PCIE 40GB VRAM • Vast.ai | Not Available | $0.29/hr★ Best | — | |
A100 PCIE 40GB VRAM • | ||||
A100 SXM 80GB VRAM • Vast.ai | Not Available | $0.67/hr★ Best | — | |
A100 SXM 80GB VRAM • | ||||
A2 16GB VRAM • Vast.ai | Not Available | $0.07/hr★ Best | — | |
A2 16GB VRAM • | ||||
A40 48GB VRAM • Vast.ai | Not Available | $0.41/hr★ Best | — | |
A40 48GB VRAM • | ||||
B200 192GB VRAM • Vast.ai | Not Available | $2.67/hr★ Best | — | |
B200 192GB VRAM • | ||||
H100 80GB VRAM • Vast.ai | Not Available | $1.55/hr★ Best | — | |
H100 80GB VRAM • | ||||
H100 NVL 94GB VRAM • Vast.ai | Not Available | $1.67/hr★ Best | — | |
H100 NVL 94GB VRAM • | ||||
H200 141GB VRAM • Vast.ai | Not Available | $1.97/hr★ Best | — | |
H200 141GB VRAM • | ||||
L40 40GB VRAM • Vast.ai | Not Available | $0.34/hr★ Best | — | |
L40 40GB VRAM • | ||||
L40S 48GB VRAM • Vast.ai | Not Available | $0.31/hr★ Best | — | |
L40S 48GB VRAM • | ||||
RTX 3070 8GB VRAM • Vast.ai | Not Available | $0.07/hr★ Best | — | |
RTX 3070 8GB VRAM • | ||||
RTX 3070 Ti 8GB VRAM • Vast.ai | Not Available | $0.08/hr★ Best | — | |
RTX 3070 Ti 8GB VRAM • | ||||
RTX 3080 10GB VRAM • Vast.ai | Not Available | $0.10/hr★ Best | — | |
RTX 3080 10GB VRAM • | ||||
RTX 3080 Ti 12GB VRAM • Vast.ai | Not Available | $0.09/hr★ Best | — | |
RTX 3080 Ti 12GB VRAM • | ||||
A10 24GB VRAM • Vast.ai | Not Available | $0.20/hr★ Best | — | |
A10 24GB VRAM • | ||||
A100 PCIE 40GB VRAM • Vast.ai | Not Available | $0.29/hr★ Best | — | |
A100 PCIE 40GB VRAM • | ||||
A100 SXM 80GB VRAM • Vast.ai | Not Available | $0.67/hr★ Best | — | |
A100 SXM 80GB VRAM • | ||||
A2 16GB VRAM • Vast.ai | Not Available | $0.07/hr★ Best | — | |
A2 16GB VRAM • | ||||
A40 48GB VRAM • Vast.ai | Not Available | $0.41/hr★ Best | — | |
A40 48GB VRAM • | ||||
B200 192GB VRAM • Vast.ai | Not Available | $2.67/hr★ Best | — | |
B200 192GB VRAM • | ||||
H100 80GB VRAM • Vast.ai | Not Available | $1.55/hr★ Best | — | |
H100 80GB VRAM • | ||||
H100 NVL 94GB VRAM • Vast.ai | Not Available | $1.67/hr★ Best | — | |
H100 NVL 94GB VRAM • | ||||
H200 141GB VRAM • Vast.ai | Not Available | $1.97/hr★ Best | — | |
H200 141GB VRAM • | ||||
L40 40GB VRAM • Vast.ai | Not Available | $0.34/hr★ Best | — | |
L40 40GB VRAM • | ||||
L40S 48GB VRAM • Vast.ai | Not Available | $0.31/hr★ Best | — | |
L40S 48GB VRAM • | ||||
RTX 3070 8GB VRAM • Vast.ai | Not Available | $0.07/hr★ Best | — | |
RTX 3070 8GB VRAM • | ||||
RTX 3070 Ti 8GB VRAM • Vast.ai | Not Available | $0.08/hr★ Best | — | |
RTX 3070 Ti 8GB VRAM • | ||||
RTX 3080 10GB VRAM • Vast.ai | Not Available | $0.10/hr★ Best | — | |
RTX 3080 10GB VRAM • | ||||
RTX 3080 Ti 12GB VRAM • Vast.ai | Not Available | $0.09/hr★ Best | — | |
RTX 3080 Ti 12GB VRAM • | ||||
Features Comparison
OpenAI
- GPT Model Family
Access to GPT-4o, GPT-4o mini, and other frontier language models
- Reasoning Models
o1 and o3 series models with advanced reasoning capabilities for complex problems
- Multimodal Capabilities
Process text, images, audio, and video inputs with unified models
- Function Calling
Structured outputs and tool use for building agents and workflows
- Assistants API
Build AI assistants with code interpreter, file search, and custom tools
- Fine-Tuning
Customize models on your own data for specialized use cases
Vast.ai
Pros & Cons
OpenAI
Advantages
- Industry-leading model performance and accuracy
- Extensive training data providing unmatched breadth across languages and domains
- Developer-friendly SDKs for Python, JavaScript, and other languages
- Comprehensive documentation and large community
Considerations
- Higher cost compared to open-source alternatives
- Token usage can scale quickly with conversation threads
- Data privacy concerns for sensitive applications
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
OpenAI
Vast.ai
Marketplace Instances
On‑demand GPU rentals with live bidding and filters.
Pricing Options
OpenAI
Pay-per-token
Charged based on tokens processed for both input and output
Batch API
50% discount for asynchronous batch processing
Prompt Caching
Discounts for recently seen input tokens
Vast.ai
Getting Started
OpenAI
- 1
Create an account
Sign up at platform.openai.com
- 2
Generate API key
Create an API key in the dashboard and store it securely
- 3
Install SDK
Install the OpenAI SDK for Python, JavaScript, or your preferred language
- 4
Make your first call
Use the SDK to call OpenAI models for text generation or other tasks
Vast.ai
Support & Global Availability
OpenAI
Global Regions
Global availability with data residency options in US, Europe, UK, Canada, Japan, South Korea, Singapore, India, Australia, and UAE
Support
Documentation, Help Center, Developer Forum, email support, and enterprise support plans with dedicated account managers
Vast.ai
Related Comparisons
Explore how these providers compare to other popular GPU cloud services
OpenAI vs Amazon AWS
PopularCompare OpenAI with another leading provider
OpenAI vs Google Cloud
PopularCompare OpenAI with another leading provider
OpenAI vs Microsoft Azure
PopularCompare OpenAI with another leading provider
OpenAI vs CoreWeave
PopularCompare OpenAI with another leading provider
OpenAI vs RunPod
PopularCompare OpenAI with another leading provider
OpenAI vs Lambda Labs
PopularCompare OpenAI with another leading provider