# Use GitHub Models

GitHub Models helps you go from prompt to production by testing, comparing, evaluating, and integrating AI directly in your repository.

## Links

* [Prototyping with AI models](/en/github-models/use-github-models/prototyping-with-ai-models)

  Find and experiment with AI models for free.

* [Optimizing your AI-powered app with Models](/en/github-models/use-github-models/optimizing-your-ai-powered-app-with-github-models)

  Learn how to test models and refine prompts for your AI-powered application.

* [Evaluating AI models](/en/github-models/use-github-models/evaluating-ai-models)

  Test and compare AI model outputs using evaluators and scoring metrics in GitHub Models.

* [Storing prompts in GitHub repositories](/en/github-models/use-github-models/storing-prompts-in-github-repositories)

  Store prompts directly in your GitHub repositories to leverage automated text summarization and other AI-driven functionalities.