PromptBase

PromptBase is a marketplace platform where users can buy, sell, and explore high-quality AI prompts for various models and use cases. They provide access to 270,000+ curated prompts across tools like ChatGPT, Midjourney, Gemini, and video models, enabling users to generate better results without crafting prompts from scratch. The platform focuses on prompt discovery, monetization, and AI content generation, helping creators and businesses improve productivity and creative output.

They offer features such as prompt marketplace browsing, prompt selling, custom prompt hiring, and app-building using prompts, making it a complete ecosystem for prompt-based workflows. Users can explore categories like design, marketing, writing, and video generation, or even commission expert prompt engineers for tailored solutions. With built-in tools for generating content and analytics for prompt performance, they support both beginners and advanced users in leveraging AI effectively.

And the best part? They offer free and paid prompts (starting around $2.99–$6.99 per prompt), along with subscription access options for larger prompt collections and marketplace features.