AI Fine-tuning

Boost AI Performance with Efficient On-Demand Fine-tuning

Train and optimize pre-trained models on your own datasets for better task-specific results at lower cost. NexGPU provides powerful GPU computing to make fine-tuning simple and efficient.

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Terminal
$ accelerate launch -m axolotl.cli.train config.yaml
2025-05-06 14:02:10 INFO axolotl.cli.train → Training started with config "config.yaml"
2025-05-06 14:02:10 INFO accelerator → Using device: cuda:0 (NVIDIA A100-SXM4-40GB)
2025-05-06 14:02:11 INFO axolotl.preprocess → Dataset prepared in ./dataset_cache (12.3s)
2025-05-06 14:02:11 INFO axolotl.trainer → Beginning training: num_epochs=1, max_steps=100
Step: 1/100 | loss: 3.4321 | lr: 2.0000e-04 | elapsed: 0:00:02
Step: 2/100 | loss: 3.2109 | lr: 1.9998e-04 | elapsed: 0:00:04
...
Step: 100/100 | loss: 2.1034 | lr: 1.8000e-04 | elapsed: 0:03:20
2025-05-06 14:05:31 INFO axolotl.trainer → Epoch 1 completed — train_loss=2.8000 eval_loss=2.6700 (3m48s)
2025-05-06 14:05:31 INFO axolotl.checkpoint → Saving checkpoint to ./outputs/checkpoint-100
2025-05-06 14:05:31 INFO axolotl.trainer → Merging LoRA adapter with base model...
2025-05-06 14:05:45 INFO axolotl.cli.merge_lora → Merge complete; merged model written to ./outputs/merged
2025-05-06 14:05:45 INFO axolotl.cli.train → Training finished in 0:10:15

Purpose-Built for Fine-tuning

Custom Dataset Training

Train and optimize pre-trained models on your own datasets for better task-specific results. Supports LoRA, QLoRA, Full Fine-tuning and more.

Blazing Fast Training

Use powerful GPUs to reduce training time and cost. From RTX 4090 to H100, choose the right compute for your model size.

Flexible Resource Configuration

Customize storage, memory, and compute resources to match your model scale. From single-GPU to multi-GPU distributed training, scale on demand.

Seamless Deployment

After training, seamlessly deploy your fine-tuned model for inference. One-click model weight export for rapid service deployment.

Get Started: AI Fine-tuning Templates

Use pre-built fine-tuning templates to quickly start your model training tasks.

Recommended

Axolotl

Streamline fine-tuning for various AI models with flexible configuration and architecture support. Supports LoRA, QLoRA, Full Fine-tuning, compatible with LLaMA, Mistral, Qwen and more.

High Performance

Unsloth

High-performance fine-tuning framework, 2-5x faster than traditional methods with 60% less VRAM. Perfect for efficient fine-tuning on consumer GPUs.

Easy to Use

LLaMA Factory

All-in-one LLM fine-tuning platform with Web UI, supporting 100+ models with SFT, RLHF, DPO and more training methods.

Why Fine-tune on NexGPU?

Save 80% on Costs

Dramatically lower GPU costs compared to AWS SageMaker and Azure ML. RTX 4090 from $0.28/hr, H100 from $1.65/hr.

Zero-Config Startup

Pre-built images for Axolotl, Unsloth, LLaMA Factory and other popular fine-tuning frameworks. Ready to use out of the box.

Multiple GPU Options

From RTX 3090 (24GB) to H100 (80GB), covering fine-tuning needs from 7B to 70B+ parameter models.

Data Security

End-to-end encrypted data transfer with private network isolation. One-click data cleanup after training for enterprise compliance.

Distributed Training

Support for DeepSpeed, FSDP and other distributed training frameworks. Multi-GPU parallel acceleration for large model fine-tuning.

Real-time Monitoring

Integrated WandB, TensorBoard and other training monitoring tools. Track loss, learning rate and other key metrics in real-time.

Recommended GPU Configurations

7B Parameter Models

Suitable for LoRA/QLoRA fine-tuning of LLaMA-2-7B, Mistral-7B, Qwen-7B and similar models.

RTX 4090 (24GB)
From $0.28/hr

13B-34B Parameter Models

Suitable for fine-tuning medium to large models like LLaMA-2-13B, CodeLlama-34B.

A100 (80GB)
From $1.20/hr

70B+ Parameter Models

Suitable for distributed fine-tuning of ultra-large models like LLaMA-2-70B, Qwen-72B.

H100 (80GB) x Multi-GPU
From $1.65/hr

Start Fine-tuning Your AI Models

Whether it's lightweight 7B fine-tuning or full-parameter 70B training, NexGPU provides the most cost-effective computing support.