Optuna
Python framework for automated hyperparameter optimization and neural architecture search.
ML and data science PyPI
Used in agent projects
20
0.2% of 12,697 public repos built with AI coding agents
Rank in ml and data science
#28 of 28
by use in those projects
Downloads
3.1M
PyPI, last 7 days, optuna
GitHub stars
14.9K
last push Oct 10, 2026
How Optuna is used
Optuna is a dependency in 20 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.2%), #28 of 28 in ml and data science. The most used alternative there is NumPy. Projects that use it most often also use pytest (90.0%), NumPy (85.0%), pandas (85.0%).
Often used with Optuna
| pytest | 90.0% of Optuna projects · 34.6× more than average |
|---|---|
| NumPy | 85.0% of Optuna projects · 22.2× more than average |
| pandas | 85.0% of Optuna projects · 28.2× more than average |
| Pydantic | 80.0% of Optuna projects · 15.7× more than average |
| scikit-learn | 80.0% of Optuna projects · 63.5× more than average |
| Requests | 65.0% of Optuna projects · 12.2× more than average |
| PyArrow | 60.0% of Optuna projects · 127.0× more than average |
| PyYAML | 60.0% of Optuna projects · 19.8× more than average |
By coding agent
| Claude Code | 0.4% of projects set up for it |
|---|---|
| GitHub Copilot | 0.5% of projects set up for it |
| Cursor | 0.3% of projects set up for it |
Share of public repos configured for each agent that list Optuna as a dependency.
Install
| Package | pip install optuna |
|---|---|
| Main stacks | Python (19), Next.js (1) |
| Example projects | kr8tiv-ai/Jarvis, synapticore-io/marimo-flow, nihilistau/CosySim, StableExo/TheWarden |
Alternatives to Optuna
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| NumPy pypi Fundamental Python library for numerical computing with arrays and matrices. |
487 (3.8%) | 21M | 33K | — |
| pandas pypi Data manipulation and analysis library with DataFrames for structured data. |
383 (3.0%) | 143M | 50K | — |
| scikit-learn pypi Python machine learning library with classification, regression and clustering algorithms. |
160 (1.3%) | 44.3M | 67.5K | — |
| SciPy pypi Fundamental algorithms for scientific computing with optimized numerical routines. |
141 (1.1%) | 72.2M | 15.1K | — |
| PyTorch pypi Deep learning framework with tensors and dynamic neural networks with GPU support. |
109 (0.9%) | 13.2M | 104K | — |
| Sentence Transformers pypi Pre-trained models for semantic embeddings, retrieval and reranking. |
83 (0.7%) | 5.1M | 19.2K | — |
| Hugging Face Transformers pypi State-of-the-art NLP and multimodal models for inference and training. |
80 (0.6%) | 24.8M | 167K | Apache 2.0 License |
| NetworkX pypi Python package for creating, analyzing and manipulating complex networks and graphs. |
73 (0.6%) | 50.2M | 17.3K | — |