Open Source Alternatives
Open source alternatives to DeepSpeed
Open source alternatives to DeepSpeed, ranked by GitHub stars and freshness.
9 open-source alternatives in the index, ranked by GitHub stars and freshness.
unslothai
Community
Unsloth Studio is a web UI for training and running open models like Gemma 4, Qwen3.6, DeepSeek, gpt-oss locally.
Best for: Developers who want to fine-tune or experiment with open models locally without cloud costs.
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
Megatron-LM
Community
Ongoing research training transformer models at scale
Best for: ML engineers training large transformer models who need production-grade distributed training infrastructure
FasterTransformer
Community
Transformer related optimization, including BERT, GPT
Best for: Developers seeking maximum inference performance for transformer models on NVIDIA hardware
torchtitan
Community
A PyTorch native platform for training generative AI models
Best for: Teams using PyTorch to train custom generative AI models at scale
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
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
Megatron-LM: Training Multi-Billion Parameter Language Models Using Model Parallelism
Community
Megatron-LM
Best for: Researchers and engineers training very large transformer-based language models.