
When you're training a custom AI model, access to the right GPU compute resources is crucial. That can be a tall order – but you don't have to drain your budget or get locked into long-term contracts to get the compute power you need. With **Vast.ai**, there's a better way.

Our cloud GPU rental platform gives you direct access to high-performance GPUs through a transparent, pay-as-you-go model that lets you train on your own terms: anytime, anywhere, and at the right price.

In this post, we'll take a closer look at how Vast.ai helps you train custom AI models faster and more affordably, without compromising performance or scalability.

## 1. Flexible, Budget-Friendly Pricing

Training AI models can get expensive. Vast.ai offers different [pricing options](https://docs.vast.ai/instances/rental-types) to help you keep cloud costs under control:

**Interruptible instances** let you rent GPUs at lower prices through interruptible or bid-based access. While these instances can be interrupted with little notice, they're a great fit for workloads that can handle brief disruptions in exchange for major cost savings – **up to 80% cheaper** than traditional cloud rates. For many users, that tradeoff is worth it for the reduction in training costs.

**On-demand instances** give you uninterrupted GPU access at a fixed rate. This setup is best for continuous training, real-time inference, or workloads where stability is crucial.

Of course, price is just one part of the equation: the next step is choosing the right GPU for the job. Vast.ai gives you that flexibility, as well.

## 2. GPU Options for Every AI Workload

There's no one-size-fits-all solution when you're training custom AI models. That's why our wide range of cloud GPU options is such an advantage. You can choose exactly what your workload needs, whether that's an enterprise-grade accelerator like the **NVIDIA [A100](https://vast.ai/article/H100-vs-A100-Comparing-two-Powerhouse-GPUs)** or **[H200](https://vast.ai/article/nvidia-h100-vs-h200-two-hopper-based-heavyweights)**, an ultra-high-performance machine like the **[B200](https://vast.ai/article/nvidia-h200-vs-b200-comparing-datacenter-grade-accelerators)**, or a top-tier consumer card like the **[RTX 4090](https://vast.ai/article/nvidia-rtx-4090-vs-a100-two-powerhouses-two-purposes)**, **[5090](https://vast.ai/article/nvidia-geforce-rtx-5090-specs-everything-you-need-to-know)**, or **[L40S](https://vast.ai/article/comparing-nvidia-l40-vs-l40s-and-more)**.

Each listing on Vast.ai displays **transparent instance specs**, making it easy to compare GPUs by type, RAM, storage, location, and more. Simply filter and select the best fit for you!

Most importantly, you'll never have to worry about overpaying for capacity you don't need or being held back by hardware limitations. When your workloads grow, scaling up is seamless. Vast.ai lets you spin up multiple GPU instances and customizable, on-demand [GPU/CPU clusters](https://vast.ai/clusters), so you can expand training capacity instantly – and only pay for what you use.

## 3. Supporting Real-World Use Cases

Our platform is ideal for anyone training, fine-tuning, or experimenting with custom AI models. Whether you're an AI researcher or developer, an enterprise team, or a [startup](https://vast.ai/article/7-reason-why-startups-uses-vast-ai), Vast.ai provides the compute power you need to train models for use cases like automating customer inquiries, identifying sales trends and other business insights, and analyzing massive research datasets.

You can build and refine domain-specific models, fine-tune foundation models like Llama and Mistral on proprietary data, and retrain as your datasets evolve. With support for LLMs and diffusion models, our platform is **compatible with all major machine learning (ML) frameworks** – and you can even run custom containers and tooling.

## 4. Quick Start with Pre-Built Templates

You don't have to start from a blank slate. Vast.ai offers pre-built [templates](https://docs.vast.ai/templates) for popular frameworks – **PyTorch, TensorFlow, vLLM, ComfyUI, and more** – that are designed to help you launch a training environment in minutes.

Each template includes the dependencies and configurations you need for model training or fine-tuning, so you can spend less time setting up and more time improving your results. Customize templates with your own datasets, scripts, or containers. You have complete flexibility to tailor them to your project needs!

Finally, Vast.ai also ensures that you can train your AI models in a trusted environment [with control over data exposure](https://vast.ai/article/running-private-ai-models-without-the-risk-of-data-exposure).

## 5. Enterprise-Grade Security

With Vast.ai, your workloads run on a secure, trusted infrastructure designed to [protect your data](https://vast.ai/compliance) – crucial when training custom AI models. Choose either **verified hosts** with strong reliability metrics or **vetted datacenter partners** who maintain third-party compliance certifications and are bound by comprehensive Data Processing Agreements (DPAs) with Vast.ai.

Our **Secure Cloud** offering gives you the option to select GPU infrastructure only from our vetted datacenter partners. Each of these providers is located in a certified facility that's current with ISO 27001 and/or Tier 3/4 standards at minimum.

We've also [completed](https://vast.ai/article/vast-soc2-typeII-certification) our own SOC 2 Type II certification, affirming our adherence to industry-leading compliance frameworks.

## Get Started with Vast.ai

Training custom AI models shouldn't be limited to those with deep pockets or powerful infrastructure. **Vast.ai** levels the playing field.

With high-performance GPUs, flexible pricing, and pre-configured templates to help you get started, you can move from idea to implementation faster and more affordably than ever with Vast.ai. You'll also enjoy peace of mind knowing that your data and models are protected by enterprise-grade security every step of the way.

Ready to train your own model? Spin up your first instance today at Vast.ai!


When you're training a custom AI model, access to the right GPU compute resources is crucial. Vast.ai gives you direct access to high-performance GPUs through a transparent, pay-as-you-go model that lets you train on your own terms.

Posts about: Custom AI Models

Why Choose Vast.ai to Train Custom AI Models