Open Source Alternatives
Open source alternatives to Megatron-LM
Open source alternatives to Megatron-LM, ranked by GitHub stars and freshness.
9 open-source alternatives in the index, ranked by GitHub stars and freshness.
DeepSpeed
Community
DeepSpeed is a deep learning optimization library that makes distributed training and inference easy, efficient, and effective.
Best for: Teams training large models who need to maximize GPU efficiency and scale across multiple devices.
Colossal-AI
Community
Making large AI models cheaper, faster and more accessible
Best for: Teams training large models who have access to multiple GPUs and need to optimize resource efficiency
Axolotl
Community
Go ahead and axolotl questions
Best for: Developers and researchers seeking a flexible, open-source tool for fine-tuning large language models
torchtitan
Community
A PyTorch native platform for training generative AI models
Best for: Teams using PyTorch to train custom generative AI models at scale
Transformer Engine
Community
A library for accelerating Transformer models on NVIDIA GPUs, including using 8-bit and 4-bit floating point (FP8 and FP4) precision on Hopper, Ada and Blackwell GPUs, to provide b
Best for: Developers training or deploying large transformer models on modern NVIDIA GPUs who need to maximize performance and minimize memory usage
nanotron
Community
Minimalistic large language model 3D-parallelism training
Best for: Researchers and engineers who need a simple, hackable framework for distributed LLM training experiments.
maxtext
Community
A simple, performant and scalable Jax LLM!
Best for: Developers already using Jax who need a streamlined, scalable LLM training framework
Mesh Tensorflow
Community
Mesh TensorFlow: Model Parallelism Made Easier
Best for: Developers training large transformer models on TPU or GPU clusters
BMTrain
Community
Efficient Training (including pre-training and fine-tuning) for Big Models
Best for: Developers and researchers training or fine-tuning large models who need a specialized, efficiency-focused Python framework