PromptBase is an AI prompt marketplace with more than 130,000 templates from vetted creators. It works with several AI models, including Midjourney, ChatGPT, DALL·E and Stable Diffusion. You can use precreated templates, upload your own prompts for sale, and build AI apps to generate a variety of content like stickers, videos and posters. The idea is to make content creation more productive.
Another good choice is OctiAI, which focuses on finding the best prompts for image and text tasks with multiple AI models, including ChatGPT, Midjourney and others. It's got cross-platform support, an "Optimize" feature to refine prompts, and a community for collaboration and learning, so it's geared for businesses and professionals trying to get more out of AI.
If you want a wider variety of generative models, Straico offers text, image and audio generative models. With more than 130 prompt templates, media intelligence tools and collaboration abilities, Straico is geared for solo entrepreneurs, marketers and AI curious people. It's got a variety of pricing tiers so you can find something that works for you, and it's got a variety of models so you can find the right one for your creative project.