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optuna

optuna/optuna

A hyperparameter optimization framework

GraphCanon updated Oct 2, 2026 · GitHub synced Oct 2, 2026

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15k stars1.4k forksLast push Sep 30, 2026 Python MIT

Decision brief

Optuna automates hyperparameter tuning in Python, integrating seamlessly with major ML frameworks.

Good fit when

  • When you need to streamline the hyperparameter tuning process for machine learning models built in Python.
  • For optimizing model performance where automation and a streamlined workflow are crucial.

Avoid when

  • If your project is not compatible with Python, as Optuna does not support other languages directly out of box.
  • Projects requiring manual control over every aspect of hyperparameter tuning might find Optuna too automated for their needs.

Observed Jul 16, 2026 · Source: enrich:decision_facts

Verify the decision

Maintenance and security

Full trust report
Maintenance
Very active (1d since push)
As of Oct 2, 2026
Provenance
Not a fork · Organization account
As of Oct 2, 2026
Security (OSV)
No lockfile
As of Jul 11, 2026

Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.

Install

pip install optuna
PyPI

Similar tools

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Evidence and technical details

Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.

Overview

Optuna is an open-source Python library used for automating the hyperparameter optimization process in machine learning tasks.

Capability facts

CLI
CLI entrypoint

Source: pyproject.toml:[project.scripts] · Oct 2, 2026

Languages
python

Source: github.language+pyproject.toml · Oct 2, 2026

Categories

Compatibility

Sourced claims from the README excerpt - not unsourced marketing copy.

Python runtimePython

Source: README excerpt (regex_v1, Oct 2, 2026)

Optuna is available at [the Python Package Index](https://pypi.org/project/optuna/) and on [Anaconda Cloud](https:/
Source link

Tags

README

Installation Optuna is available at the Python Package Index and on Anaconda Cloud. You can load registered module with . ```python import optuna import optunahub def objective(trial: optuna.Trial) float: x = trial.suggest float("x", 5, 5) y = trial.suggest float("y", 5, 5) retur...

For agents

This page has a .md twin and JSON over the API.

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