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Open Source

Spearmint

Spearmint Bayesian optimization codebase

Our verdict

Not reviewed yet

We have not reviewed Spearmint yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

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From the listing

About Spearmint

Spearmint is a Python library for Bayesian optimization, enabling efficient hyperparameter tuning of machine learning models. It uses Gaussian processes to model the objective function and selects the next parameters to evaluate via expected improvement. The codebase is designed for sequential optimization where each evaluation is expensive.

Best for

Researchers and engineers needing a reliable Bayesian optimization library for expensive black-box functions

Use cases

  • Tuning hyperparameters of deep learning models
  • Optimizing simulation parameters with costly evaluations
  • Automating experiment design for scientific computing

Notes

1,568 stars on GitHub. Last updated 2019-12-27.

Pros

  • Proven Bayesian optimization algorithm with solid theoretical foundation
  • Well-documented codebase with 1.5k+ GitHub stars
  • Handles noisy objective functions gracefully

Cons

  • Limited to sequential optimization, no parallel evaluation support
  • Requires manual integration into existing workflows
  • Not actively maintained; last updates are several years old

Key facts

What we have checked

GitHub stars
1,573
Checked github api via nightly crawl, recovered from git history 20e874270887c1008f860ee0198e461a23c9e438

Each value shows when we last confirmed it and where it came from. Values we have not confirmed are left out, never guessed.

Stars and usage

How Spearmint is growing

GitHub stars

1,568 to 1,573

stars. 12 July 2026 to 26 Sept 2026, 2 readings.

Source: github api via nightly crawl, recovered from git history 20e874270887c1008f860ee0198e461a23c9e438. Checked .

Sources

Where this comes from

  • github api via nightly crawl, recovered from git history 20e874270887c1008f860ee0198e461a23c9e438Registry

    Checked · GitHub stars

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

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