> For the complete documentation index, see [llms.txt](https://ai-docs.fptcloud.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ai-docs.fptcloud.com/fpt-ai-studio/faq.md).

# FAQ

### 1. **Which model should I choose for fine-tuning?**

* Small models (<=1B parameters) --> for testing or light workloads
* Medium models (7B-13B) --> balanced performance and cost
* Large models (30B+) --> for complex tasks, usually requires multi-node setup
* Instruction-tuned models are preferred if your task is prompt-response based

### **2. How long does fine-tuning take?** <a href="#contentify_2" id="contentify_2"></a>

It depends on:

* Model size (a few hours for small models, several days for very large ones)
* Dataset size
* Your hardware setup (hyperparameters & infrastructure)

Typically, it ranges from a few hours to several days.

### **3. What do your need to prepare before fine-tuning a model?** <a href="#contentify_3" id="contentify_3"></a>

You'll need:

* Strictly follow the expected dataset structure for the model you're fine-tuning. More details about Data sample, visit here: <https://fptcloud.com/en/documents/model-fine-tuning/?doc=select-dataset-format>
* Clean, diverse, and non-duplicated data.
* A clear objective for fine-tuning (e.g., tech support, customer service, content writing, etc.).

### **4. How many GPUs do you need to fine-tune a model?** <a href="#contentify_4" id="contentify_4"></a>

It depends on the model size:

* <1B parameters: 1 GPU (24 GB VRAM) is sufficient
* 7B models: 2-4 GPUs (40 GB VRAM each)
* 13B models: 4-8 GPUs recommended
* 30B+ models: Requires 8+ GPUs and multi-node setup

### **5. Do I need multiple nodes or just one node?** <a href="#contentify_5" id="contentify_5"></a>

* For small to medium models (up to 13B), a single node with multiple GPUs is enough.
* For larger models (30B+), multi-node setups are recommended for better memory and performance.

### **6. What is the minimum GPU memory required?** <a href="#contentify_6" id="contentify_6"></a>

* At least **24GB VRAM per GPU** for standard fine-tuning
* Without **LoRA/QLoRA methods**, you can fine-tune on GPUs with 8-16GB VRAM

### **7. Does the size of my training dataset affect hardware needs?** <a href="#contentify_7" id="contentify_7"></a>

Yes. Larger datasets require more VRAM, RAM, and storage.

* Datasets < 20GB --> can use **Managed volume**
* Datasets > 20GB --> require **Dedicated network volume**


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