Bayeso
A simple Bayesian optimization package in Python.
- Status
- Generally available
- Last checked
- Checked · Oct 13, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Bayeso is a straightforward yet essential library for implementing Bayesian optimization techniques. It's designed to be user-friendly and efficient, making it ideal for researchers and developers working with probabilistic models and optimization problems.
Bayeso stands out with its simplicity and efficiency, making it an ideal choice for developers who need a lightweight yet powerful Bayesian optimization library in Python.
When it fits — and when it doesn’t
A good fit for
Researchers and developers who need a straightforward Bayesian optimization library for Python projects.
Projects that require efficient hyperparameter tuning without the overhead of more complex frameworks.
Look elsewhere if
Teams requiring real-time optimization capabilities as Bayeso is designed for batch processing.
Applications needing extensive support for multiple programming languages beyond Python.
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited documentation and examples
The official documentation lacks detailed tutorials and practical examples, making it difficult for new users to fully understand how to leverage the library's capabilities.
- 02
Narrow focus on Bayesian optimization techniques
Bayeso is specifically tailored towards Bayesian optimization, which may limit its utility in scenarios requiring other types of optimization or probabilistic modeling approaches.
- 03
Performance issues with large datasets
The library can become slow and resource-intensive when handling large-scale data sets, potentially leading to extended computation times and increased memory usage.
- 04
Small community and limited support
Due to its niche focus, Bayeso has a relatively small user base and developer community, which can result in slower response times for bug reports and feature requests.
What it does well
Simple and efficient Bayesian optimization implementation
Support for various acquisition functions
Flexibility in choosing the probabilistic model
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 Bayeso
Setup steps, common gotchas and what to check after 30 days.
Get the badge
A small badge for Bayeso’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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