kitio.aiVast.ai vs Lightning AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Vast.ai starts at See pricing page and Lightning AI starts at $50/mo. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- GPU marketplace
- Docker templates
- Interruptible instances
- Serverless endpoints
- Per-second billing
- Cloud Studios
- One-click GPU switching
- Multi-node training
- Model serving
- Free monthly credits
| Feature | Vast.ai | Lightning AI |
|---|---|---|
| Best for | Marketplace for renting low-cost GPUs from many hosts | Cloud workspaces with GPUs for training and serving models |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | $50/mo |
| Free plan | No | Yes |
| Made by | Vast.ai | Lightning AI |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Vast.ai starts at See pricing page and Lightning AI starts at $50/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
On-demand
Per-second GPU billing
- Supply and demand pricing
- 68+ GPU types
Reserved
Contact sales
- 1, 3 or 6 month terms
- Guaranteed capacity
- Volume discounts
2 plans
Free
Free
- Up to 30 free credits
- 1 free active Studio
- Single GPUs, pay as you go
Pay as you go
From $0.55 / GPU-hour
- Billed by the second
- T4 to B200 GPUs
- Interruptible discounts
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Vast.ai
- Very low GPU prices
- Wide hardware choice
- Pay by the second
- Host reliability varies
- Security depends on the host
- Less hand-holding than big clouds
Lightning AI
- Ready-to-use ML environments
- Free GPU credits
- From the PyTorch Lightning team
- Free Studios need restarts
- GPU prices above marketplaces
- Credit system takes learning
Which one should you choose?
Choose Vast.ai if you want:
- Very low GPU prices
- Wide hardware choice
- Pay by the second
Watch out: host reliability varies.
Choose Lightning AI if you want:
- Ready-to-use ML environments
- Free GPU credits
- From the PyTorch Lightning team
Watch out: free studios need restarts.
Vast.ai vs Lightning AI FAQ
What is the difference between Vast.ai and Lightning AI?
Vast.ai: Marketplace for renting low-cost GPUs from many hosts. Lightning AI: Cloud workspaces with GPUs for training and serving models. Both are models & apis tools.
Is Vast.ai or Lightning AI cheaper?
Vast.ai starts at See pricing page and Lightning AI starts at $50/mo. Check both pricing pages for current plans.
Do Vast.ai and Lightning AI have free plans?
Vast.ai: No. Lightning AI: Yes.
Who makes Vast.ai?
Vast.ai is made by Vast.ai, based in United States.
Who makes Lightning AI?
Lightning AI is made by Lightning AI, based in United States.
Which should I choose, Vast.ai or Lightning AI?
Choose Vast.ai if you value very low gpu prices and wide hardware choice. Choose Lightning AI if you value ready-to-use ml environments and free gpu credits.