kitio.aiRoboflow vs Sigma AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Roboflow starts at $39/mo and Sigma AI 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
- AI-assisted labeling
- Dataset versioning
- Model training
- Edge and cloud deployment
- Roboflow Universe datasets
- Training data creation
- Independent model evaluation
- Human review operations
- 700+ languages
- Secure training sandboxes
| Feature | Roboflow | Sigma AI |
|---|---|---|
| Best for | Build, label and deploy computer vision models | Human-expert data, evaluation and review for AI teams |
| Category | Data & analytics | Data & analytics |
| Pricing model | Freemium | Paid |
| Starting price | $39/mo | See pricing page |
| Free plan | Yes | No |
| Made by | Roboflow | Sigma AI |
| Based in | United States | Spain |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Roboflow starts at $39/mo and Sigma AI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 10 credits / month
- ~30 trainings or 80,000 inferences
- Private workspace and models
Core
$39/mo
- 20 credits / month (packs up to 500)
- ~60 trainings or 160,000 inferences
- Roboflow Agent
Enterprise
Custom
- Priority access to faster GPUs
- Volume pricing and uptime SLA
- Data sovereignty (US or EU)
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
Roboflow
- End-to-end vision workflow
- Large public dataset library
- Easy edge deployment
- Credits limit heavy training
- Vision-only focus
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
Which one should you choose?
Choose Roboflow if you want:
- End-to-end vision workflow
- Large public dataset library
- Easy edge deployment
Watch out: credits limit heavy training.
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.
Roboflow vs Sigma AI FAQ
What is the difference between Roboflow and Sigma AI?
Roboflow: Build, label and deploy computer vision models. Sigma AI: Human-expert data, evaluation and review for AI teams. Both are data & analytics tools.
Is Roboflow or Sigma AI cheaper?
Roboflow starts at $39/mo and Sigma AI starts at See pricing page. Check both pricing pages for current plans.
Do Roboflow and Sigma AI have free plans?
Roboflow: Yes. Sigma AI: No.
Who makes Roboflow?
Roboflow is made by Roboflow, based in United States.
Who makes Sigma AI?
Sigma AI is made by Sigma AI, based in Spain.
Which should I choose, Roboflow or Sigma AI?
Choose Roboflow if you value end-to-end vision workflow and large public dataset library. Choose Sigma AI if you value very wide language coverage and large pool of vetted experts.