Markprompt is a tool that allows users to quickly and easily build a GPT-4 prompt for their Markdown docs. It eliminates the need for configuration, hosting and metrics collection. It works with Markdown, Markdoc and MDX files, and all OpenAI completion models are supported, including GPT-4. It offers a generous free-tier, and users can scale with usage. It also offers features such as feedback and analytics to help pinpoint shortcomings in content. The source code is available on GitHub.


A suite of free, pre-vetted prompts for large language models such as ChatGPT. It also provides prompt engineering support to help users optimize their prompts. Additionally, there is a community available for users to discuss techniques for improving their prompts.

The Midjourney Prompt Generator is a web application that generates prompts based on a text input and various options. It allows users to customize their prompts with mediums, art movements, rendering engines, materials, cameras, filters, scenes, chaos, seeds, image weight, height, quality, width, aspect ratio, version, stylization, uplight, beta, HD, and same seed.

The Humanloop tool provides an SDK that enables users to make GPT-3 faster, cheaper and more effective. Users can collect end-user feedback, experiment with different prompts and models, and fine-tune their models with the press of a button. The tool also helps users improve their models with more accurate, lower latency and cost-saving models. Additionally, the tool helps users customize the tone of their models and have access to all leading language model providers.

PromptoMANIA is a free AI art community with an online prompt builder that helps users become a CF Spark, Midjourney or Stable Diffusion master. It includes a prompt generator, grid splitter, and frequently asked questions that help users create high quality and detailed AI images. The prompt builder is user-friendly and perfect for beginners, and allows users to choose a diffusion model, put down a prompt or subject of the image, select a base image, and choose from additional art styles inspired by artists. The grid splitter can separate index images from Midjourney or Stable Diffusion into individual pictures that can be saved.