kitio.aiSigma AI vs CloudFactory
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Sigma AI starts at See pricing page and CloudFactory 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
- Training data creation
- Independent model evaluation
- Human review operations
- 700+ languages
- Secure training sandboxes
- Data annotation and labeling
- Model fine-tuning
- Inference evaluation
- Human validation of AI output
- Workflow orchestration
- Free pilot on sample data
| Feature | Sigma AI | CloudFactory |
|---|---|---|
| Best for | Human-expert data, evaluation and review for AI teams | Data labeling, model oversight and human validation for production AI |
| Category | Data & analytics | Data & analytics |
| Pricing model | Paid | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | No | No |
| Made by | Sigma AI | CloudFactory |
| Based in | Spain | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Sigma AI starts at See pricing page and CloudFactory 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 Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Sigma AI
- Very wide language coverage
- Large pool of vetted experts
- Long track record in AI data
- No self-serve option
- No public pricing
- Aimed at companies building models
CloudFactory
- Free sample run before committing
- Human review for high-risk AI
- Works with your existing models
- No self-serve plans or public prices
- Leans on services and consulting
- Aimed at enterprise projects
Which one should you choose?
Choose Sigma AI if you want:
- Very wide language coverage
- Large pool of vetted experts
- Long track record in AI data
Watch out: no self-serve option.
Choose CloudFactory if you want:
- Free sample run before committing
- Human review for high-risk AI
- Works with your existing models
Watch out: no self-serve plans or public prices.
Sigma AI vs CloudFactory FAQ
What is the difference between Sigma AI and CloudFactory?
Sigma AI: Human-expert data, evaluation and review for AI teams. CloudFactory: Data labeling, model oversight and human validation for production AI. Both are data & analytics tools.
Is Sigma AI or CloudFactory cheaper?
Sigma AI starts at See pricing page and CloudFactory starts at See pricing page. Check both pricing pages for current plans.
Do Sigma AI and CloudFactory have free plans?
Sigma AI: No. CloudFactory: No.
Who makes Sigma AI?
Sigma AI is made by Sigma AI, based in Spain.
Who makes CloudFactory?
CloudFactory is made by CloudFactory, based in United Kingdom.
Which should I choose, Sigma AI or CloudFactory?
Choose Sigma AI if you value very wide language coverage and large pool of vetted experts. Choose CloudFactory if you value free sample run before committing and human review for high-risk ai.