OpenPlayground is an open source playground designed for testing Language Models (LLMs) with a user-friendly interface to experiment with various models and analyze their performance. The core features of OpenPlayground include the selection of multiple LLM models, inputting text prompts, generating responses, evaluating generated outputs, customization of model parameters, and fine-tuning capabilities.OpenPlayground can be used for a variety of purposes such as research and analysis of different LLM models, development and testing of chatbot applications, natural language processing tasks and experimentation, as well as training and fine-tuning LLMs for specific use cases.To use OpenPlayground, simply navigate to the website, create an account, and choose from a variety of LLM models to test. You can input text prompts, generate responses, evaluate the generated outputs, customize model parameters, and fine-tune for advanced users.