Model Hubs & Serving

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.

  1. 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.

  2. 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.

  3. 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.

  4. 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.

Open the setup guide →
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