Scale AI vs Label Studio
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Scale AI starts at See pricing page and Label Studio 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
- Managed data labeling
- RLHF and expert data
- Model evaluations
- Data Engine platform
- Public leaderboards
- Configurable labeling templates
- Multi-data-type support
- ML backend pre-labeling
- Reviewer workflows
- LLM evaluation templates
| Feature | Scale AI | Label Studio |
|---|---|---|
| Best for | Training data, evaluation and data labeling for frontier AI | Open-source data labeling tool for any data type |
| Category | Data & analytics | Data & analytics |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | No | Yes |
| Made by | Scale AI | HumanSignal |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Scale AI starts at See pricing page and Label Studio starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
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
Scale AI
- Handles very large labeling projects
- Expert contributors for hard tasks
- Strong evaluation work
- Built for large contracts
- Some labs moved to rivals after Meta deal
Label Studio
- Free and open source
- Very flexible templates
- Large community
- Team features need enterprise plan
- Self-hosting requires upkeep
Which one should you choose?
Choose Scale AI if you want:
- Handles very large labeling projects
- Expert contributors for hard tasks
- Strong evaluation work
Watch out: built for large contracts.
Choose Label Studio if you want:
- Free and open source
- Very flexible templates
- Large community
Watch out: team features need enterprise plan.
Scale AI vs Label Studio FAQ
What is the difference between Scale AI and Label Studio?
Scale AI: Training data, evaluation and data labeling for frontier AI. Label Studio: Open-source data labeling tool for any data type. Both are data & analytics tools.
Is Scale AI or Label Studio cheaper?
Scale AI starts at See pricing page and Label Studio starts at See pricing page. Check both pricing pages for current plans.
Do Scale AI and Label Studio have free plans?
Scale AI: No. Label Studio: Yes.
Who makes Scale AI?
Scale AI is made by Scale AI, based in United States.
Who makes Label Studio?
Label Studio is made by HumanSignal, based in United States.
Which should I choose, Scale AI or Label Studio?
Choose Scale AI if you value handles very large labeling projects and expert contributors for hard tasks. Choose Label Studio if you value free and open source and very flexible templates.