finetuner
Open source
freemium
4.6/5

Unsloth

2x faster QLoRA fine-tuning with hand-tuned Triton kernels. Free OSS for single-GPU; commercial Pro for multi-GPU.

By Fredoline Eruo·Last verified May 6, 2026·35,000 GitHub stars

Overview

2x faster QLoRA fine-tuning with hand-tuned Triton kernels. Free OSS for single-GPU; commercial Pro for multi-GPU.

Pros

  • 2x speed vs HF default
  • Lower VRAM use
  • Great Colab support

Cons

  • NVIDIA only
  • Multi-GPU is paid

Compatibility

Operating systems
Linux
GPU backends
NVIDIA CUDA
LicenseOpen source · freemium

Get Unsloth

Frequently asked

Is Unsloth free?

Unsloth has a paid tier (freemium). Check the pricing page for current terms.

What operating systems does Unsloth support?

Unsloth supports Linux.

Which GPUs work with Unsloth?

Unsloth supports NVIDIA CUDA. CPU-only inference is also possible but slow.

Reviewed by RunLocalAI Editorial. See our editorial policy for how we evaluate tools.