kitio.aiNebius AI Cloud vs Union.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Nebius AI Cloud starts at See pricing page and Union.ai starts at $950/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
- Non-virtualized GPU clusters
- InfiniBand networking
- Managed and serverless inference
- Built-in MLOps tooling
- Spot preemptible VMs
- 24/7 expert support
- Durable, resumable workflows
- Runs in your own cloud
- Distributed training
- Inference gateway
- Multi-cluster scheduling
- Lineage and artifacts
| Feature | Nebius AI Cloud | Union.ai |
|---|---|---|
| Best for | GPU cloud for AI training and inference with managed MLOps | Durable AI workflow runtime that runs inside your own cloud |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Free trial |
| Starting price | See pricing page | $950/mo |
| Free plan | No | No, trial available |
| Made by | Nebius | Union.ai |
| Based in | Netherlands | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Nebius AI Cloud starts at See pricing page and Union.ai starts at $950/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Team
$950/mo
- Minimum, credited back as usage
- 2 active clusters
- 30-day data retention
- Standard 12x5 support
Enterprise
Custom
- Annual commit credited to usage
- Volume discounts on every meter
- Multi-region and multi-cloud
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Nebius AI Cloud
- Purpose-built for AI workloads
- Live spot pricing for cheaper jobs
- Free white-glove proof of concept
- 24/7 support by default
- Usage costs can be hard to predict
- Spot capacity can be interrupted
- Large deals go through sales
Union.ai
- Data never leaves your infrastructure
- Failed steps resume where they stopped
- Plain Python on top of open-source Flyte
- $950 monthly minimum after the first month
- Meant for platform teams, not beginners
- Usage pricing takes effort to estimate
Which one should you choose?
Choose Nebius AI Cloud if you want:
- Purpose-built for AI workloads
- Live spot pricing for cheaper jobs
- Free white-glove proof of concept
Watch out: usage costs can be hard to predict.
Choose Union.ai if you want:
- Data never leaves your infrastructure
- Failed steps resume where they stopped
- Plain Python on top of open-source Flyte
Watch out: $950 monthly minimum after the first month.
Nebius AI Cloud vs Union.ai FAQ
What is the difference between Nebius AI Cloud and Union.ai?
Nebius AI Cloud: GPU cloud for AI training and inference with managed MLOps. Union.ai: Durable AI workflow runtime that runs inside your own cloud. Both are models & apis tools.
Is Nebius AI Cloud or Union.ai cheaper?
Nebius AI Cloud starts at See pricing page and Union.ai starts at $950/mo. Check both pricing pages for current plans.
Do Nebius AI Cloud and Union.ai have free plans?
Nebius AI Cloud: No. Union.ai: No, trial available.
Who makes Nebius AI Cloud?
Nebius AI Cloud is made by Nebius, based in Netherlands.
Who makes Union.ai?
Union.ai is made by Union.ai, based in United States.
Which should I choose, Nebius AI Cloud or Union.ai?
Choose Nebius AI Cloud if you value purpose-built for ai workloads and live spot pricing for cheaper jobs. Choose Union.ai if you value data never leaves your infrastructure and failed steps resume where they stopped.