kitio.aiVast.ai vs ThinkDiffusion
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 ThinkDiffusion starts at $29.99/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
- Hosted ComfyUI and Automatic1111
- Fooocus, Forge and Kohya
- Upload your own models
- Hourly GPU machines
- Team workspaces
- Persistent storage
| Feature | Vast.ai | ThinkDiffusion |
|---|---|---|
| Best for | Marketplace for renting low-cost GPUs from many hosts | Cloud workspaces for Stable Diffusion, ComfyUI and video models |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | $29.99/mo |
| Free plan | No | Yes |
| Made by | Vast.ai | ThinkDiffusion |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Vast.ai starts at See pricing page and ThinkDiffusion starts at $29.99/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
3 plans
Pay as you go
From $0.99/hr
- Quick, Turbo and Ultra machines
- Files deleted after 48h idle
TD-PRO
$29.99/mo
- $10 monthly credit
- 200 GB private storage
- 20% off machine rates
TD-TEAMS
$59.99/mo
- 2 team members included
- $20 monthly credit
- 200 GB team workspace
- 20% off machine rates
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
ThinkDiffusion
- No local GPU or install needed
- Upload your own models and LoRAs
- Wide set of open-source apps
- Machine hours cost extra on top of plans
- Files deleted after 48 hours without a plan
- Costs rise quickly on bigger GPUs
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 ThinkDiffusion if you want:
- No local GPU or install needed
- Upload your own models and LoRAs
- Wide set of open-source apps
Watch out: machine hours cost extra on top of plans.
Vast.ai vs ThinkDiffusion FAQ
What is the difference between Vast.ai and ThinkDiffusion?
Vast.ai: Marketplace for renting low-cost GPUs from many hosts. ThinkDiffusion: Cloud workspaces for Stable Diffusion, ComfyUI and video models. Both are models & apis tools.
Is Vast.ai or ThinkDiffusion cheaper?
Vast.ai starts at See pricing page and ThinkDiffusion starts at $29.99/mo. Check both pricing pages for current plans.
Do Vast.ai and ThinkDiffusion have free plans?
Vast.ai: No. ThinkDiffusion: Yes.
Who makes Vast.ai?
Vast.ai is made by Vast.ai, based in United States.
Who makes ThinkDiffusion?
ThinkDiffusion is made by ThinkDiffusion.
Which should I choose, Vast.ai or ThinkDiffusion?
Choose Vast.ai if you value very low gpu prices and wide hardware choice. Choose ThinkDiffusion if you value no local gpu or install needed and upload your own models and loras.