1. PromptBase The heavyweight champion of AI prompt marketplaces. PromptBase leads the pack for buying and selling prompts across ChatGPT, DALL-E, Midjourney, and more. Their clean interface and established user base make it perfect for beginners.

2. Promptrr This community-driven marketplace shines for Google Bard, Leonardo AI, Midjourney, and ChatGPT prompts. What sets Promptrr apart is its focus on community feedback and collaborative improvement.

3. Prompti Specializing in professionally written prompts, Prompti also offers a free prompt generator for Midjourney. It’s like having a quality stamp for your creations.

4. PromptScoop Features trending and popular prompts prominently, making it easier for quality creators to get discovered. Their algorithm rewards engagement and sales performance.

5. FlowGPT Particularly strong for GPT-based models, FlowGPT has built a reputation for high-quality prompt sharing and selling.

Community-Driven Platforms

6. Chatsonic Prompt Library This community-driven library rewards creators for popular prompts. It’s not just about selling – it’s about building a reputation in the AI community.

7. AIPRM Available as a Chrome extension, AIPRM offers curated prompts for marketing, SEO, and sales. Perfect if you’re targeting business professionals who need AI copywriting tools.

8. Discord AI Prompt Groups Active communities where creators share, trade, and sell prompts directly. The personal touch and immediate feedback make Discord groups incredibly valuable for building relationships.

General E-commerce Platforms

9. Etsy The craft marketplace has embraced digital goods. AI prompt bundles perform exceptionally well here, especially those targeting creative professionals.

10. Gumroad Perfect for selling digital goods including AI prompts and comprehensive prompt guides. Their analytics help you understand your audience better.

11. Creative Fabrica A marketplace for digital assets where AI prompt bundles for art and design thrive. Their audience actively seeks creative tools.

Specialized AI Art Platforms

12. Leonardo AI This AI art generation platform supports selling and sharing prompts, making it ideal for visual creators.

13. Midjourney Community The official community for Midjourney art prompts and bundles. If you’re creating AI art prompts for Midjourney, this is your playground.

14. CreativeAI Specializes in AI-generated art prompts with a strong community of artists and enthusiasts.

Niche and Emerging Platforms

15. Promptsideas.com Covers various niches including art, writing, marketing, and images. Their categorization makes it easy for buyers to find exactly what they need.

16. OpenAI GPT-3 Playground While primarily a testing ground, it allows creation, sharing, and selling of prompts with a user-friendly interface.

17. AI Dungeon Marketplace Connects prompt creators with buyers for storytelling and creative content generation.

18. TextCortex Offers prompt engineering tools alongside a marketplace for creators.

19. PromptHero Focuses on art and creative prompts with strong visual discovery features.

20. DALL-E Prompt Marketplaces Specialized platforms integrated with larger marketplaces specifically for DALL-E prompts.