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gfo-project / Gradient-Free-Optimizers

Lightweight optimization with local, global, population-based and sequential techniques across mixed search spaces

Why this job: works in the areas we cover, but does not say which job it does

What it does

Designed for hyperparameter tuning, simulation optimization, feature selection, engineering design, and any scenario where gradients are unavailable or impractical. The library prioritizes simplicity: define your objective function, specify the search space, and run. All algorithms share one consistent API, so switching from hill climbing to Bayesian optimization is a one-line change. SciPy is optional; GFO only requires NumPy and pandas, making it suitable as an optimization backend or for minimal environments, containers, and embedded systems.

Get started

pip install gradient-free-optimizers
Maintenance
Active
Last commit 6 days ago
Stars
1,278
On GitHub
Licence
MIT
Allows business use
Downloads for
None listed
No release files
Latest version
v1.13.0
Released 6 months ago
Built with
Python
75% of the code

Is it looked after?

Contributors
Not stated
Last 90 days
Issues
71% closed
18 still open
Pull requests
26 merged
9 waiting
Releases
17
9 in the last year

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More: languages, topics, project record and preview image

Languages

  • Python 75%
  • Jupyter Notebook 25%
  • Makefile <1%

Topics

  • optimization
  • gradient-free-optimization
  • bayesian-optimization
  • particle-swarm-optimization
  • evolution-strategies
  • simulated-annealing
  • random-search
  • hill-climbing
  • meta-heuristic
  • machine-learning
  • tree-of-parzen-estimator
  • hyperparameter-optimization

Project record

  • JobOther AI tools
  • StatusListed
  • Commits1,438
  • Forks97
  • Watching19
  • Stars in 28 days+1
  • CreatedApr 4, 2020
  • First seen by usNov 7, 2026
  • CheckedNov 8, 2026

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