can i fork it?
✨ ai assistants

AWS SageMaker costs $50/mo.
These cost $0.

3 free alternatives to AWS SageMaker, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.

See the 3 picks ↓

AWS SageMaker vs Free Alternatives Matrix

Quick side-by-side comparison · $0/mo vs $50/mo

AlternativeTypeLicenseWhere It RunsStarsHead-to-Head
Cortexopen sourcecm0zfrz5200pu94snwyqzpqx7Self-host★ 8.0kAWS SageMaker vs Cortex →
Ploomberopen sourcecm0zfrz5200pu94snwyqzpqx7Self-host★ 3.6kAWS SageMaker vs Ploomber →
Zilliz's Towheeopen sourcecm0zfrz5200pu94snwyqzpqx7Self-host★ 3.5kAWS SageMaker vs Zilliz's Towhee →

The picks

3 open source · ranked by fit

  1. 01

    Cortex

    open sourcecm0zfrz5200pu94snwyqzpqx7Self-host
    8.0kmar 2023

    Deploy, manage, and scale machine learning models in production.

    The catch vs AWS SageMaker

    Requires self-hosting setup, updates, and server maintenance compared to managed AWS SageMaker.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/cortexlabs/cortex or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-04
  2. 02

    Ploomber

    open sourcecm0zfrz5200pu94snwyqzpqx7Self-host
    3.6kmay 2025

    Build and deploy data pipelines quickly and securely.

    The catch vs AWS SageMaker

    Requires self-hosting setup, updates, and server maintenance compared to managed AWS SageMaker.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/ploomber/ploomber or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-04
  3. 03

    Zilliz's Towhee

    open sourcecm0zfrz5200pu94snwyqzpqx7Self-host
    3.5koct 2024

    Towhee simplifies and accelerates neural data processing pipelines.

    The catch vs AWS SageMaker

    Requires self-hosting setup, updates, and server maintenance compared to managed AWS SageMaker.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/towhee-io/towhee or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-04

Frequently Asked Questions

Direct answers · AWS SageMaker open-source replacements

What is the best free alternative to AWS SageMaker?+

The top free alternative to AWS SageMaker is Cortex (open source, cm0zfrz5200pu94snwyqzpqx7). Deploy, manage, and scale machine learning models in production. Other popular AWS SageMaker replacements include Ploomber, Zilliz's Towhee.

Can I self-host a free replacement for AWS SageMaker?+

Yes. Of the 3 free alternatives to AWS SageMaker, 3 can be self-hosted on your own server or local machine: Cortex (cm0zfrz5200pu94snwyqzpqx7), Ploomber (cm0zfrz5200pu94snwyqzpqx7), Zilliz's Towhee (cm0zfrz5200pu94snwyqzpqx7).

How much does switching from AWS SageMaker to a free alternative save?+

AWS SageMaker starts at $50/month per seat ($600/year). Switching a 5-person team to a free alternative like Cortex saves $3,000 per year in software subscription fees.

Should I vibe-code or build my own AWS SageMaker clone from scratch?+

Our build verdict for AWS SageMaker is NOT REALLY (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for AWS SageMaker or rebuilding it from scratch, deploy one of the 3 battle-tested open-source alternatives like Cortex or Ploomber.

What is the catch when switching from AWS SageMaker to Cortex?+

Requires self-hosting setup, updates, and server maintenance compared to managed AWS SageMaker.