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 Eruo Fredoline·Last verified Oct 7, 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

Runtime health

Operator-grade signals on how actively Unsloth is being maintained, how fresh its measurements are, and what failure classes operators have flagged. Every label below is anchored to a real date or count — we never infer maintainer activity we can't show.

Release cadence

Derived from the most recent editorial signal on this row.

Active
Updated Oct 7, 2026

28 days since last refresh · source: lastUpdated

Benchmark freshness

How recent the editorial measurements on this runtime are.

0editorial benchmarks

No editorial benchmarks for this runtime yet.

Community reproduction

Submissions that match an editorial measurement on similar hardware.

0reproduced reports

No community reproductions on file yet.

Ecosystem stability

Editorial rating from RunLocalAI — qualitative, not measured.

4.6/5Editorial

Get Unsloth

Frequently asked

Is Unsloth free?

Yes — Unsloth is free to use and open-source; some tiers or hosted options are paid.

What operating systems does Unsloth support?

Unsloth supports Linux.

Which GPUs work with Unsloth?

Unsloth supports NVIDIA CUDA. CPU-only operation is also possible but typically slower.

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

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Before you buy

Verify Unsloth runs on your specific hardware before committing money.