# DigitalOcean Gradient™ AI Inference Hub How-Tos – DigitalOcean Documentation

> How to accomplish specific tasks in detail, like creation/deletion, configuration, and management.
- [How to Browse Models in Model Catalog on DigitalOcean Gradient™ AI Inference Hub](https://docs.digitalocean.com/products/inference-hub/how-to/browse-model-catalog/index.html.md): Identify the right model for your use case by filtering available foundation models by capabilities and price.
- [Test and Compare Models Using the Model Playground](https://docs.digitalocean.com/products/inference-hub/how-to/use-model-playground-inference/index.html.md): Test and compare foundation models in the Model Playground.
- [How to Use Serverless Inference on DigitalOcean Gradient™ AI Inference Hub](https://docs.digitalocean.com/products/inference-hub/how-to/use-serverless-inference-deployments/index.html.md): Create model access keys that allow you to send requests to foundation models without creating an agent.
- [How to Use Dedicated Inference on DigitalOcean Gradient™ AI Inference Hub](https://docs.digitalocean.com/products/inference-hub/how-to/use-dedicated-inference/index.html.md): Deploy open-source and commercial LLMs on dedicated GPUs as an inference endpoint.