PySyft
Secure and private Deep Learning library built on PyTorch and TensorFlow.
- Status
- Generally available
- Last checked
- Checked · Oct 10, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
PySyft is a Python library that enables secure and private deep learning by providing tools for differential privacy, federated learning, and secure multi-party computation. It's built on top of PyTorch and TensorFlow, making it easy to integrate into existing workflows while ensuring data privacy.
PySyft stands out by providing a comprehensive set of tools for ensuring data privacy and security in deep learning, making it ideal for applications that handle sensitive information.
When it fits — and when it doesn’t
A good fit for
Teams working with sensitive data that require strict privacy guarantees
Developers looking to integrate federated learning into their applications
Researchers who need tools for secure multi-party computation in deep learning
Look elsewhere if
Projects where performance is prioritized over privacy
Applications requiring real-time processing of large datasets without privacy constraints
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited integrations with non-PyTorch/TensorFlow frameworks
Primary support is for PyTorch and TensorFlow, other ML frameworks are not officially supported
- 02
Performance overhead due to privacy-preserving techniques
Differential privacy and secure multi-party computation can significantly slow down model training and inference processes
What it does well
Support for differential privacy
Federated learning capabilities
Secure multi-party computation
Integration with PyTorch and TensorFlow
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up PySyft
Setup steps, common gotchas and what to check after 30 days.
Get the badge
A small badge for PySyft’s README or site: its name, “Tracked on AI Navigator”, and the availability status and check month from this page. It updates as the catalog does.
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