LlamaFactory vs Unsloth

Compare LlamaFactory and Unsloth on deployment, pricing, model support, and more.

LlamaFactory

Tagline: 2–5× faster LLM fine-tuning with 70% less memory — free open-source training library
Description: Unsloth is an open-source Python library that makes fine-tuning large language models 2–5× faster and 70% more memory-efficient. It achieves this through custom CUDA kernels and optimized implementations of key operations (RoPE, cross-entropy, attention). Supports Llama, Mistral, Gemma, Phi, and most popular open-source models. Free for single GPU; paid for multi-GPU.
Category: LLM Frameworks
Pricing: Freemium
Metric: 76,012 GitHub stars (source)
Open source: —
Link: Visit

Attribute	LlamaFactory	Unsloth
Tagline	Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)	2–5× faster LLM fine-tuning with 70% less memory — free open-source training library
Category	LLM Frameworks	LLM Frameworks
Pricing	Free	Freemium
Description	Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)	Unsloth is an open-source Python library that makes fine-tuning large language models 2–5× faster and 70% more memory-efficient. It achieves this through custom CUDA kernels and optimized implementations of key operations (RoPE, cross-entropy, attention). Supports Llama, Mistral, Gemma, Phi, and most popular open-source models. Free for single GPU; paid for multi-GPU.
Open source	Yes	—
Metric	—	76,012 GitHub stars (source)
Link	Visit	Visit