kitio.aiHugging Face vs OpenNN
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. OpenNN is completely free, while Hugging Face is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Model and dataset hub
- Spaces demo apps
- Inference Providers
- Inference Endpoints
- Transformers library
- Dense, LSTM and CNN networks
- Transformers
- CPU and CUDA GPU training
- Tutorials and benchmarks
| Feature | Hugging Face | OpenNN |
|---|---|---|
| Best for | The main hub for open models, datasets and AI demo apps | Open-source C++ library for building neural networks |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Free |
| Starting price | $9/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Hugging Face | Artelnics |
| Based in | United States | Spain |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
OpenNN is completely free, while Hugging Face is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Host unlimited public models and datasets
- Free CPU Spaces
PRO
$9/mo
- 10x private storage
- $2 inference credits monthly
- 8x ZeroGPU quota
- Spaces Dev Mode
Team
$20/mo
- Per user
- SSO (SAML and OIDC)
- Audit logs and resource groups
- Storage regions
Enterprise
$50/mo
- Per user
- Highest storage and rate limits
- SCIM provisioning
- Managed billing
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
Hugging Face
- Largest open model catalog
- Free hosting for demos
- Huge community
- Model quality varies widely
- Inference credits are small on free
- Can overwhelm newcomers
OpenNN
- High-performance C++
- Runs on CPU or GPU
- Covers several network types
- Requires C++ skills
- Smaller ecosystem than Python libraries
- Licensing page may apply to commercial use
Which one should you choose?
Choose Hugging Face if you want:
- Largest open model catalog
- Free hosting for demos
- Huge community
Watch out: model quality varies widely.
Choose OpenNN if you want:
- High-performance C++
- Runs on CPU or GPU
- Covers several network types
Watch out: requires c++ skills.
Hugging Face vs OpenNN FAQ
What is the difference between Hugging Face and OpenNN?
Hugging Face: The main hub for open models, datasets and AI demo apps. OpenNN: Open-source C++ library for building neural networks. Both are models & apis tools.
Is Hugging Face or OpenNN cheaper?
OpenNN is completely free, while Hugging Face is freemium.
Do Hugging Face and OpenNN have free plans?
Hugging Face: Yes. OpenNN: Yes, fully free.
Who makes Hugging Face?
Hugging Face is made by Hugging Face, based in United States.
Who makes OpenNN?
OpenNN is made by Artelnics, based in Spain.
Which should I choose, Hugging Face or OpenNN?
Choose Hugging Face if you value largest open model catalog and free hosting for demos. Choose OpenNN if you value high-performance c++ and runs on cpu or gpu.