2 Best Unsloth Alternatives in 2026 (Open Source)

Unsloth Studio is a web UI for training and running open models like Qwen, DeepSeek, gpt-oss and Gemma locally. Unlike Axolotl (config-based, no speed optimization) or Hugging Face TRL (standard VRAM usage), Unsloth uses custom Triton kernels to deliver 2x faster fine-tuning with 70% less VRAM — making it possible to fine-tune 7B+ models on a single consumer GPU.

Short answer

  • Closest match to Unsloth: Axolotl.
  • Most actively developed: Axolotl (195 commits in the last 90 days).
  • Fastest growing: Axolotl (+157 GitHub stars in the last 30 days).

These 2 open-source tools do the same job. They are ordered by how closely they match Unsloth, with live GitHub data so you can see which projects are actively maintained.

ToolGitHub starsStars / 30dLast commit
Unsloth(original)77.1k+2,9722026-10-02
Axolotl12.5k+1572026-10-02
oumi9.4k+752026-10-01
  1. 1. Axolotl

    Go ahead and axolotl questions

    What sets it apart: vs LLaMA-Factory: broader training method support (GRPO/QAT/ScatterMoE) with faster new model adoption; vs HuggingFace TRL: more production-ready with multi-GPU optimization and single YAML config

    Best for: Fine-tuning latest open-source LLMs; LoRA/QLoRA training on consumer GPUs; Research teams exploring preference tuning methods

  2. 2. oumi

    Easily fine-tune, evaluate and deploy gpt-oss, Qwen3, DeepSeek-R1, or any open source LLM / VLM!

    What sets it apart: vs Axolotl/LLaMA-Factory: Complete end-to-end platform covering data synthesis, training (up to 405B params), evaluation, and deployment with one consistent API - not just a fine-tuning tool

    Best for: ML teams training and fine-tuning foundation models end-to-end; Research groups needing a unified platform from data to deployment; Organizations scaling model training across multiple clouds

FAQ

What are the best alternatives to Unsloth?
The closest open-source alternatives to Unsloth are Axolotl and oumi. They are ranked by how closely they match what Unsloth does.
Which Unsloth alternative is the most popular?
Axolotl has the most GitHub stars among Unsloth alternatives, with 12,513 stars.
Which Unsloth alternative is the most actively maintained?
By recent activity, Axolotl (195 commits in the last 90 days) is the most actively developed alternative.