Ludwig

Train and test deep learning models without writing code.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Rising

License

Open Source

Data freshness

Verified · Jul 16, 2026

Overview

What is Ludwig?

Ludwig is an open-source deep learning toolbox that allows users to train and test machine learning models using a simple YAML configuration file, eliminating the need for extensive coding knowledge.

Key differentiator

Ludwig stands out as an open-source, no-code deep learning platform that simplifies the process of building and testing machine learning models through simple configuration files.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

No-code deep learning model training and testingmedium

Uses YAML configuration files for defining modelsmedium

Supports a wide range of data types including images, text, and numerical valuesmedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited documentation for advanced use caseshigh

Advanced configuration options are not well-documented, leading to trial-and-error usage

Performance issues with large datasetsmedium

Training models on very large datasets can be slow and resource-intensive, impacting productivity

Fit analysis

Who is it for?

✓ Best for

Data scientists who need to quickly prototype and test deep learning models without extensive coding knowledge.

Machine learning teams that want a no-code solution for training and testing various types of neural networks.

✕ Not a fit for

Developers requiring fine-grained control over model architecture and training process

Projects needing real-time inference capabilities

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with Ludwig

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →