AI Prompt Engineering - Directory w/ AI Reviews

Getting the best results from large language models requires thoughtful prompt design — and there's a growing ecosystem of tools to help. AIPRM provides a library of community-tested prompts organized by use case. LangChain and LlamaIndex enable programmatic prompt chaining for complex pipelines, while PromptPerfect optimizes prompts automatically for specific models. PromptBase operates as a marketplace where prompt creators can sell their most effective designs.

AIPRM 1 4.6 New AIPRM Freemium Free Plan 2 reviews AIPRM offers thousands of community-driven prompt templates for ChatGPT organized by categories like SEO, marketing, and coding via a browser extension. LangChain 2 4.4 New LangChain Free Free Plan Open Source Enterprise 3 reviews LangChain provides structured prompt management tools including prompt templates, few-shot example selectors, output parsers, and prompt composition utilities. These features enable developers to create, version, test, and optimize prompts systematically rather than managing them as raw strings. PromptPerfect 3 4.3 New PromptPerfect Freemium Free Plan API 1 review PromptPerfect is an AI prompt optimization tool that automatically refines and enhances prompts for ChatGPT, GPT-4, Midjourney, Stable Diffusion, and other AI models. It analyzes prompt structure and suggests improvements to maximize output quality, specificity, and consistency. The platform support FlowGPT 4 4.3 New FlowGPT Free Free Plan 2 reviews FlowGPT is a community for sharing and discovering AI prompts across multiple LLMs for prompt engineers. LlamaIndex 5 4.0 New LlamaIndex Free Free Plan Open Source Enterprise 3 reviews LlamaIndex provides prompt management tools and response synthesis strategies that help developers optimize how context is presented to LLMs. Its retrieval and synthesis pipeline offers fine-grained control over prompt construction, including techniques like tree summarization and compact prompting PromptBase 6 4.0 New PromptBase Freemium Free Plan 1 review PromptBase is a marketplace for buying and selling high-quality AI prompts for DALL-E, Midjourney, Stable Diffusion, GPT, and other models. Prompt engineers can monetize their expertise by listing tested prompts with example outputs, while buyers get proven prompts that deliver consistent results. T Snack Prompt 7 3.6 New Snack Prompt Free Free Plan 1 review Snack Prompt is a community-driven platform for discovering, sharing, and upvoting ChatGPT prompts across diverse categories. It features a Chrome extension that lets users access their saved prompts directly within ChatGPT, and a daily prompt feed showcasing trending community submissions. The plat 8 1.0 New Nikola Corporation 1 review Zero-emission transportation company developing hydrogen fuel cell and battery electric trucks. High short interest due to execution challenges.