Flower
Unified federated learning platform for any workload and ML framework.
- Status
- Generally available
- Last checked
- Checked · Oct 16, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Flower is a unified approach to federated learning that supports analytics and evaluation across various workloads, ML frameworks, and programming languages. It enables developers to federate their models without being constrained by specific technologies or environments.
Flower stands out by offering a flexible, unified approach to federated learning that supports any workload and ML framework, making it ideal for projects requiring adaptability across diverse environments.
When it fits — and when it doesn’t
A good fit for
Teams working on federated learning projects who need flexibility in choosing ML frameworks and programming languages.
Projects requiring distributed training without centralized data storage.
Developers looking to evaluate federated learning setups across different environments.
Look elsewhere if
Scenarios where real-time collaboration is required as Flower focuses more on batch processing.
Teams that prefer a cloud-hosted solution over self-hosting their federated learning infrastructure.
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-Python ML frameworks
Primary support is for Python-based frameworks like TensorFlow and PyTorch, other languages have limited or no official support
- 02
Complex setup for production environments
Setting up secure federated learning in a production environment requires significant configuration and infrastructure management
What it does well
Supports federated learning across various ML frameworks and programming languages.
Unified approach to analytics and evaluation in federated settings.
Flexible architecture that can adapt to different workloads.
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 Flower
Setup steps, common gotchas and what to check after 30 days.
Get the badge
A small badge for Flower’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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