Hacker ApprovedDepartments

scikit-learn

Shares rank 14 of 19 machine learning libraries by recommenders

People recommend it for evaluation, model selection and calibration tools, and for reliable training without manual tuning. Some would not use it for production code.

People recommend it for evaluation, model selection and calibration tools, and for reliable training without manual tuning. Some would not use it for production code.

10 people gave an opinion

recommend it
7
criticize it
3
approval share
70%
Each figure is one person. RecommendsCriticizes

Recommended in 6 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 7 people recommend itNeeds 10 or more, not met.
  • 2.3 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 6 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Strong library support and ecosystem

    “a non-professional programmer can use scikit-learn and pandas and matplotlib to put their skills on wheels”

    Comment from 16 Apr 2026 in “Ask HN: Why Hasn't Clojure Caught On?”

    “the brilliant library support available in scikit learn”

    Comment from 27 Feb 2026 in “Julia: Performance Tips”
  • Fast, reliable model training

    “there's something to say for a fast model trainer that makes a good model 100% of the time without manual intervention”

    Comment from 4 Jan 2026 in “Nike's Crisis and the Economics of Brand Decay”

    “sklearn is obviously faster and great for day to day work”

    Comment from 2 Dec 2025 in “Show HN: Prima Veritas – Deterministic Analytics Engine for Reproducible ML”

Other machine learning libraries people recommend

The four most recommended other machine learning libraries, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

scikit-learn compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
PyTorch1314774%12—Approved
MLX752476%12—Approved
JAX49689%12—Approved
OpenCV461674%11—Approved
scikit-learnThis page7370%6——
See all 19 machine learning libraries, ranked

What people said

11 of the 12 comments that mention it, newest first. Each links to the original comment.

“scikit-learn has great tools for eval, model selection, probability calibration and all the other things that make the difference”

RecommendsComment from 10 Jul 2026 in “Ask HN: What are you running locally on your machine with LLMs?”

“scikit learn for ML, etc.”

RecommendsComment from 25 Apr 2026 in “There Will Be a Scientific Theory of Deep Learning”

“a non-professional programmer can use scikit-learn and pandas and matplotlib to put their skills on wheels”

RecommendsComment from 16 Apr 2026 in “Ask HN: Why Hasn't Clojure Caught On?”

“scikit-learn had a primitive "print everything" strategy”

CriticizesComment from 24 Mar 2026 in “An Incoherent Rust”

“without needing the heavy dependencies that sklearn adds”

MixedComment from 23 Mar 2026 in “If Dspy is so great, why isn't anyone using it?”

“Similar to how I would not write production code with sklearn”

MixedComment from 23 Mar 2026 in “If Dspy is so great, why isn't anyone using it?”

“the brilliant library support available in scikit learn”

RecommendsComment from 27 Feb 2026 in “Julia: Performance Tips”

“When scikit-learn implemented Random Forests they only included classification, regression, and overall permutation importance.”

CriticizesComment from 28 Jan 2026 in “Show HN: RFX-Fuse: Breiman and Cutler's Random Forest + Explainable Similarity”

“there's something to say for a fast model trainer that makes a good model 100% of the time without manual intervention”

RecommendsComment from 4 Jan 2026 in “Nike's Crisis and the Economics of Brand Decay”

“This is also a constant issue working with scikit-learn”

CriticizesComment from 16 Dec 2025 in “In Defense of Matlab Code”

“sklearn is obviously faster and great for day to day work”

RecommendsComment from 2 Dec 2025 in “Show HN: Prima Veritas – Deterministic Analytics Engine for Reproducible ML”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.