Marketplace for prompts refined by people who tested them
PromptBase is a marketplace where prompt authors sell prompts they have actually tested, mostly for image generators and large language models. Rather than reinventing a prompt each time, you buy one tuned for a known output style - consistent product photography, particular illustration looks, recurring business-writing formats - usually for a couple of dollars. Listings show sample outputs, which is the important part: you can judge the result before paying. For teams it also functions as a hiring channel, connecting them with prompt engineers who have a demonstrable track record.
Last updated: 2026-09-20. This site only provides an index; for exact features, pricing, and licensing, see the official website.
image generator users seeking specific styles, teams needing reliable output formats and prompt sellers
If you're comparing similar products, check the alternatives below, or browse all tools in the AI Prompt Tools category.
Occasionally. Well-tuned prompts for commercial styles can save hours, but many are simple enough that learning prompt structure makes buying unnecessary.
No. Results depend on the model version and settings. Check the listed model and review recent reviews, since older prompts may predate your model version.
Yes. Sellers list prompts with sample outputs and keep most of the sale price, though the marketplace takes a commission and competition is considerable.
Community library of shared prompts with a chat interface to run them
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Free educational resource teaching prompt engineering from basics to research topics
Searchable gallery of AI image prompts shown alongside the images they made