kitio.aiUnion.ai vs Flyte
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Union.ai starts at $950/mo and Flyte starts at See pricing page. 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
- Durable, resumable workflows
- Runs in your own cloud
- Distributed training
- Inference gateway
- Multi-cluster scheduling
- Lineage and artifacts
- Durable workflow execution
- Automatic failure recovery
- Dynamic Python workflows
- Kubernetes deployment
- Plugin registry
- Enterprise edition
| Feature | Union.ai | Flyte |
|---|---|---|
| Best for | Durable AI workflow runtime that runs inside your own cloud | Open-source durable runtime for orchestrating AI and ML workloads |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free trial | Freemium |
| Starting price | $950/mo | See pricing page |
| Free plan | No, trial available | Yes |
| Made by | Union.ai | Linux Foundation AI & Data |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Union.ai starts at $950/mo and Flyte starts at See pricing page. 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
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
Flyte
- Free and open source
- Recovers from common infra failures
- Covers training, inference and agents
- Requires Kubernetes know-how
- Migration needed from Flyte 1
- Enterprise pricing not published
Which one should you choose?
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.
Choose Flyte if you want:
- Free and open source
- Recovers from common infra failures
- Covers training, inference and agents
Watch out: requires kubernetes know-how.
Union.ai vs Flyte FAQ
What is the difference between Union.ai and Flyte?
Union.ai: Durable AI workflow runtime that runs inside your own cloud. Flyte: Open-source durable runtime for orchestrating AI and ML workloads. Both are models & apis tools.
Is Union.ai or Flyte cheaper?
Union.ai starts at $950/mo and Flyte starts at See pricing page. Check both pricing pages for current plans.
Do Union.ai and Flyte have free plans?
Union.ai: No, trial available. Flyte: Yes.
Who makes Union.ai?
Union.ai is made by Union.ai, based in United States.
Who makes Flyte?
Flyte is made by Linux Foundation AI & Data.
Which should I choose, Union.ai or Flyte?
Choose Union.ai if you value data never leaves your infrastructure and failed steps resume where they stopped. Choose Flyte if you value free and open source and recovers from common infra failures.