Question: I need a platform that allows me to create custom prompts and explore subjects in-depth, do you know of any?

If you want a service to build your own prompts and delve deeper into a subject, PROMPTMETHEUS is a good option. It lets you author, test, optimize and run one-shot prompts on more than 80 Large Language Models (LLMs) from multiple sources. The service offers a prompt toolbox, the ability to select the best models, test results and run prompts to your own endpoints, so you can easily integrate with third-party services like Notion, Zapier and Airtable. It also offers features like composability, history, cost estimation, data export, insights and collaboration, and pricing from free to $99 per month.

Another option is GeneratedBy, which is geared to help prompt engineers and digital workers. It offers a clean prompt editor with optimization tools, support for multimodal content and support for multiple LLMs. You can use prebuilt prompts and themed packs as inspiration and deploy micro-SaaS apps. It also includes ChatGPT plugins and tools, API integration and webhooks for live results, so you can use it to create your own prompts for SEO articles, cold emailing and marketing slogans.

Knit offers a range of professional prompt editors based on different models, including GPT-4O, Claude-3-Opus and Gemini-1.5-Pro. It offers project management with permission levels, three custom prompt editors and version control with an edit history. Knit also supports multiple models from multiple sources and offers code export so you can integrate prompts into your own apps. The service offers a free starter plan and two paid subscription plans, so it should be useful for a range of situations.

If you like to visualize and organize information, Heuristica uses a mind map interface to help you learn, research and be creative. It integrates with ChatGPT to create concept maps and offers custom prompts, immediate results, integration with multiple sources and support for multiple languages. With two pricing tiers, including a free basic plan, Heuristica is a good option if you want to explore a subject in a more visually engaging way.