Perpend is a UI wrapper that allows for easy experimentation with OpenAI's GPT models. Key features and advantages of Perpend include:

• Experiment with dynamic prompts and adjust API parameters easily
• Design your own "AI content generator" form and import/export prompts
• Chat with any GPT model and support for GPT-4
• Streamline experimentation with OpenAI's GPT models
• Facilitate the process of designing and testing AI-generated content

With Perpend, users can easily experiment with OpenAI's GPT models and design custom forms for generating AI content. Additionally, Perpend supports GPT-4 and offers streamlined experimentation with OpenAI's GPT models.