Best of 2026
Best Local LLM Fine-Tuning Tools 2026: Unsloth vs Axolotl vs LLaMA-Factory
Best fine-tuning tools in 2026: Unsloth, Axolotl, and LLaMA-Factory compared on speed, VRAM, features.
The three serious options in 2026 are Unsloth (fastest), Axolotl (most flexible), and LLaMA-Factory (most features).
How we picked the winners
For each category, we evaluated quality on standard benchmarks, speed (tokens/sec) on target hardware, VRAM efficiency, ecosystem support, and maturity. All picks are tested hands-on.
The top picks
Fastest
Unsloth
2-5x faster, 40% less VRAM
View → Most flexibleAxolotl
YAML config, multi-GPU, every method
View → Most featuresLLaMA-Factory
Web UI, DPO/PPO/KTO/ORPO, pre-training
View →Decision matrix
| Use case | Best pick | Why |
|---|---|---|
| Single GPU, max speed | Unsloth | 2-5x faster, 40% less VRAM |
| Multi-GPU, YAML config | Axolotl | DeepSpeed, FSDP, every method |
| Web UI, broadest methods | LLaMA-Factory | DPO, PPO, KTO, ORPO |
| On Apple Silicon | Unsloth + MLX | MLX backend for Mac |