Unsloth

Fine-tunes LLMs, diffusion, TTS and embedding models 2x faster with ~70% less VRAM than standard Hugging Face training

What Unsloth does

  • Fine-tunes LLMs, diffusion, TTS and embedding models 2x faster with ~70% less VRAM than standard Hugging Face training
  • Free Google Colab notebooks let anyone fine-tune open models like Llama/Qwen/GLM on a free T4 GPU
  • Supports LoRA, QLoRA, full fine-tuning, GRPO and DPO reinforcement/preference tuning in one library

Unsloth — straight answers

What is Unsloth?

Unsloth is listed under Fine-Tuning & Training Frameworks, in the AI Models & Local Execution category on Flocci AI Tools. Fine-tunes LLMs, diffusion, TTS and embedding models 2x faster with ~70% less VRAM than standard Hugging Face training. It is free, with no paid plan attached, and it lives at unsloth.ai.

Is Unsloth free?

Unsloth is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.

What can Unsloth do?

Unsloth does 3 things the catalog singles out: Fine-tunes llms, diffusion, tts and embedding models 2x faster with ~70% less vram than standard hugging face training; free google colab notebooks let anyone fine-tune open models like llama/qwen/glm on a free t4 gpu; supports lora, qlora, full fine-tuning, grpo and dpo reinforcement/preference tuning in one library.

What is the best free alternative to Unsloth?

Axolotl is the closest free alternative: it sits in the same Fine-Tuning & Training Frameworks sub-category and is free. LLaMA-Factory also start free. The full list is on the alternatives page.

See the full list →

Unsloth alternatives

Compare all alternatives →

Axolotl

Fine-Tuning & Training Frameworks
free
  • Config-file-driven fine-tuning workflow (YAML) covering LoRA, QLoRA, full fine-tuning, preference tuning and RL
  • Broad multi-model and multimodal training support with GPU-efficiency optimizations built in
  • Popular choice for reproducible post-training recipes shared across the open-model community

LLaMA-Factory

Fine-Tuning & Training Frameworks
free
  • Zero-code Web UI (LLaMA Board) for fine-tuning 100+ open models without writing training scripts
  • Supports full-tuning, LoRA, 2/3/4/5/6/8-bit QLoRA, DPO, PPO, GaLore and PiSSA in one framework
  • Used internally by Amazon, NVIDIA and Aliyun for open-model post-training

Ollama

Local LLM Runners
free
  • The default way to run LLMs locally
  • One command to run Llama, Qwen, DeepSeek…
  • OpenAI-compatible local API
  • Free and open-source

LM Studio

Local LLM Runners
free
  • Polished desktop GUI for local models
  • Discover, download and chat with GGUF models
  • Local server with OpenAI-compatible API
  • Free for personal use

Jan

Local LLM Runners
free
  • Open-source, offline ChatGPT alternative
  • No-config, privacy-first GUI
  • Runs fully on your device
  • Free forever

GPT4All

Local LLM Runners
free
  • Private local chat with your documents
  • Runs on modest laptops
  • LocalDocs RAG built in
  • Free and open-source

Head-to-head comparisons