Ludwig AI Alternatives

Ludwig AI is described as 'Framework for building custom LLMs, neural networks, and other AI models' and is an app in the ai tools & services category. There are more than 10 alternatives to Ludwig AI for a variety of platforms, including Web-based, Windows, Linux, SaaS and Self-Hosted apps. The best Ludwig AI alternative is Fireworks AI. It's not free, so if you're looking for a free alternative, you could try Unsloth or Cactus. Other great apps like Ludwig AI are Plexe AI, AIkit, Together AI and Weights & Biases.

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Ludwig AI alternatives page was last updated Jul 12, 2025

Fireworks AI
2 likes
Harness state-of-the-art open-source LLMs and image models at blazing speeds with Fireworks AI. Utilize rapid deployment, fine-tuning without extra costs, FireAttention for model efficiency, and FireFunction for complex AI applications including automation and domain-expert copilots.
Cost / License
Paid
Proprietary
Platforms
Online
+1
Is Fireworks AI a good alternative to Ludwig AI?
Fireworks AI is the most popular Web-based alternative to Ludwig AI.
Fireworks AI is the most popular commercial alternative to Ludwig AI.
Fireworks AI is Paid and ProprietaryLudwig AI is Free and Open Source
Unsloth
3 likes
Unslow finetuning for AI and LLMs. Get 30x faster with Unsloth.
Cost / License
Freemium (Subscription)
Open Source
Origin
United States
Platforms
Software as a Service (SaaS)
Online
Self-Hosted
Is Unsloth a good alternative to Ludwig AI?
Unsloth is the most popular SaaS & Self-Hosted alternative to Ludwig AI.
Unsloth is the most popular Open Source & free alternative to Ludwig AI.
Unsloth is Freemium and Open SourceLudwig AI is Free and Open Source
Cactus
2 likes
Cross-platform framework for deploying LLM/VLM/TTS models locally on smartphones.
Cost / License
Free
Open Source
Application type
Large Language Model (LLM) Tool
Origin
United Kingdom
Platforms
Self-Hosted
Android
Android Tablet
iPhone
iPad
Is Cactus a good alternative to Ludwig AI?
Cactus is the most popular Android, iPhone, iPad & Android Tablet alternative to Ludwig AI.
Cactus is Free and Open SourceLudwig AI is also Free and Open Source
Plexe AI
2 likes
Plexe AI enables you to create, train, and deploy machine learning models using simple English commands — no coding required.
Cost / License
Free Personal
Open Source
Origin
United Kingdom
Platforms
Python
Mac
Linux
Windows
BSD
Is Plexe AI a good alternative to Ludwig AI?
Plexe AI is the most popular Windows, Mac & Linux alternative to Ludwig AI.
Plexe AI is Free Personal and Open SourceLudwig AI is Free and Open Source
AIkit
1 like
AIKit is a comprehensive platform to quickly get started to host, deploy, build and fine-tune large language models (LLMs).
Cost / License
Free
Open Source
Application type
Large Language Model (LLM) Tool
Platforms
Docker
Self-Hosted
Is AIkit a good alternative to Ludwig AI?
Together AI
Like
Run and fine-tune generative AI models with easy-to-use APIs and highly scalable infrastructure. Train and deploy models at scale on our AI Acceleration Cloud and scalable GPU clusters. Optimize performance and cost.
Cost / License
Paid
Proprietary
Origin
United States
Platforms
Online
Software as a Service (SaaS)
Is Together AI a good alternative to Ludwig AI?
Weights & Biases
Like
Integrate quickly, track & version automatically Track, version and visualize with just 5 lines of code Reproduce any model checkpoints Monitor CPU and GPU usage in real time

Track every detail of your ML pipeline automatically. Visualize results with relevant context. Drag.
Cost / License
Free Personal
Proprietary
Application type
Large Language Model (LLM) Tool
Origin
United States
Platforms
Self-Hosted
Python
Online
Software as a Service (SaaS)
Is Weights & Biases a good alternative to Ludwig AI?
LlamaGym
Like
"Agents" originated in reinforcement learning, where they learn by interacting with an environment and receiving a reward signal. However, LLM-based agents today do not learn online (i.e. continuously in real time) via reinforcement.
Cost / License
Free
Open Source
Application type
Large Language Model (LLM) Tool
Platforms
Mac
Windows
Linux
BSD
Is LlamaGym a good alternative to Ludwig AI?
xTuring
Like
Build, customize and control you own LLMs. From data pre-processing to fine-tuning, xTuring provides an easy way to personalize open-source LLMs.
Cost / License
Free
Open Source
Origin
United States
Platforms
Windows
Linux
Is xTuring a good alternative to Ludwig AI?
Axolotl AI
Like
Axolotl is a tool designed to streamline the fine-tuning of various AI models, offering support for multiple configurations and architectures.
Cost / License
Free
Open Source
Application type
Large Language Model (LLM) Tool
Platforms
Windows
Linux
Mac
Docker
Python
Is Axolotl AI a good alternative to Ludwig AI?
nanoGPT
Like
The simplest, fastest repository for training/finetuning medium-sized GPTs. It is a rewrite of minGPT that prioritizes teeth over education. Still under active development, but currently the file train.
Cost / License
Free
Open Source
Origin
United States
Platforms
Python
Mac
Windows
Linux
BSD
Is nanoGPT a good alternative to Ludwig AI?
Cloudflare Workers AI
Like
Cloudflare Workers AI provides a serverless platform to execute AI models utilizing GPUs in its network, eliminating infrastructure needs. Access over 50 open-source models, use AI Gateway for app control, and deploy globally with tools like Vectorize, R2, and D1.
Cost / License
Freemium
Proprietary
Origin
United States
Platforms
Online
Software as a Service (SaaS)
Is this a good alternative to Ludwig AI?