Hyperas
Simple wrapper for hyperparameter optimization in Python.
- Status
- UnmaintainedNo commits in 1329 days.
- Last checked
- Checked · Oct 10, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Hyperas is a simple and convenient tool for optimizing hyperparameters of machine learning models. It wraps around Keras to provide an easy-to-use interface for tuning parameters, making it easier to improve model performance without manual trial and error.
Hyperas stands out for its simplicity and ease of integration with Keras, making it an accessible choice for optimizing machine learning models without extensive setup or configuration.
When it fits — and when it doesn’t
A good fit for
Developers working with Keras who need to optimize hyperparameters without complex setup.
Projects where manual hyperparameter tuning is too time-consuming or impractical.
Look elsewhere if
Users requiring real-time hyperparameter optimization in production environments.
Scenarios where the computational cost of genetic algorithms outweighs benefits.
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited to Keras models only
Hyperas wraps around Keras, making it incompatible with other deep learning frameworks like TensorFlow or PyTorch.
- 02
Genetic algorithm may not be the most efficient method for all problems
While genetic algorithms can be effective for some hyperparameter optimization tasks, they might not converge as quickly or effectively as gradient-based methods in certain scenarios.
- 03
Small community and limited support
Hyperas is an open-source project with a relatively small user base, which can lead to fewer contributions, slower bug fixes, and less comprehensive documentation compared to larger projects.
What it does well
Simple integration with Keras models for hyperparameter tuning.
Uses a genetic algorithm to optimize hyperparameters efficiently.
Easy-to-use API for defining search spaces and optimization objectives.
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 Hyperas
Setup steps, common gotchas and what to check after 30 days.
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