What is Unsloth AI
Unsloth AI is an open-source tool designed for fine-tuning and training Large Language Models (LLMs), including Reinforcement Learning (RL). It aims to make the process faster and more memory-efficient. It is beginner-friendly and supports models like Llama 1, 2, 3, 4, DeepSeek-R1, Qwen3, Gemma 3, and Mistral.
Features of Unsloth AI
- Up to 30x faster training compared to Flash Attention 2 (FA2).
- Up to 90% less memory usage than FA2.
- Supports TTS, BERT, FFT, and more.
- Compatible with NVIDIA GPUs (Tesla T4 to H100) and portable to AMD and Intel GPUs.
- Offers 2x faster fine-tuning on a single NVIDIA GPU in the free version.
- Provides 2x faster inference, with even faster options in development.
Use Cases of Unsloth AI
Unsloth is used by teams at various organizations, including Microsoft, Nvidia, Meta, NASA, Apple, Walmart, Google, Canva, Hugging Face, LinkedIn, Pytorch, and Deloitte. The free version is available for individuals and beginners on platforms like Google Colab and Kaggle Notebooks.
Pricing
- Free: Open-source version supporting Mistral, Gemma, Llama 1, 2, 3, 4 bit, and 16 bit LoRA. MultiGPU support is coming soon.
- unsloth Pro: Offers 2.5x the number of GPUs faster than FA2, 20% less memory than the open-source version, enhanced MultiGPU support (up to 8 GPUs), and is suitable for any use case. Contact for pricing.
- unsloth Enterprise: Provides up to 32x the number of GPUs faster than FA2, up to +30% accuracy, 5x faster inference, supports full training, includes all Pro plan features, multi-node support, and customer support. Contact for pricing.