In May 2026, there are 128 Prompt Engineering tools listed. Google AI Studio ranks #1 with 127.9M monthly visits. Unsloth AI is the fastest growing tool with 79.8% growth.
In May 2026, there are 128 Prompt Engineering tools listed. Google AI Studio ranks #1 with 127.9M monthly visits. Unsloth AI is the fastest growing tool with 79.8% growth.
Rank | Tool | Monthly Visits | Growth | Growth Rate | Category | Description | |
|---|---|---|---|---|---|---|---|
🥇 | Google AI Studio aistudio.google.com | 127.9M | +2.1M | 1.7% | General LLM | Build powerful applications with Gemini AI models quickly and easily. | |
🥈 |  Amazon Bedrock aws.amazon.com | 61.1M | +5.9M | 10.6% | AI App Builder | Amazon Bedrock simplifies building and scaling generative AI applications with access to top foundation models, customization, and automation tools. | |
🥉 |  AI Experiments labs.google | 55.3M | +11.5M | 26.4% | AI Code Assistant | Google Labs offers a collection of cutting-edge AI tools and experiments designed to inspire creativity, simplify tasks, and explore new possibilities. | |
4 |  Promptist huggingface.co | 26.4M | +3.0M | 12.9% | Prompt Engineering | Promptist is Microsoft’s free tool to supercharge your Stable Diffusion prompts—turning basic ideas into AI art gold. | |
5 |  The GPT Who Lived huggingface.co | 26.4M | +3.0M | 12.9% | AI App Builder | Explore innovative ML apps with The GPT Who Lived, a community-driven platform. | |
6 |  Outlier AI outlier.ai | 13.9M | +4.3M | 44.2% | Prompt Engineering | Join Outlier to work flexibly and earn competitive pay while contributing to cutting-edge AI projects. | |
7 |  Dify dify.ai | 1.5M | +363.6K | 32.8% | AI App Builder | Dify.AI is your go-to platform for building and managing generative AI applications. With its advanced features and open-source flexibility, it’s perfect for both beginners and enterprises. | |
8 |  Prompt Cowboy promptcowboy.ai | 1.3M | +384.4K | 41.0% | Prompt Engineering | PromptCowboy is a versatile tool for creating and refining AI prompts, ideal for content creation, creative writing, and business communication. | |
9 |  文心智能体平台 agents.baidu.com | 1.3M | +88.3K | 7.3% | AI Agents | AgentBuilder on the Wenxin Intelligent Agent Platform by Baidu enables developers to create and deploy AI agents with ease, offering industry-specific solutions, commercial pathways, and a supportive community. | |
10 |  Unsloth AI unsloth.ai | 1.3M | +556.9K | 79.8% | General LLM | Unsloth AI supercharges LLM training—faster, cheaper, and greener. Fine-tune models like Llama or Mistral in record time with open-source or premium tools. | |
11 |  PromptHero prompthero.com | 829.7K | -23.3K | -2.7% | Prompt Engineering | PromptHero is the ultimate platform for AI prompt engineering, offering a wide range of prompts, community challenges, and job listings for AI enthusiasts. | |
12 |  AI Fiesta aifiesta.ai | 816.4K | +52.6K | 6.9% | AI Chatbots & LLM | AI Fiesta offers access to six premium AI models in one chat for just $12/month. Compare answers side-by-side, boost prompts instantly, generate images, transcribe audio, and manage projects easily—all in one place. | |
13 |  Playbook AI playbook.com | 800.2K | -84.3K | -9.5% | AI Art Generator | Playbook AI is a collaborative creative space that helps artists and designers create, store, and manage AI-generated art with ease. It offers 4TB of storage, prompt saving, and team collaboration tools to streamline your creative process. | |
14 |  Stable Diffusion stability.ai | 660.2K | +32.1K | 5.1% | AI Image Generator | Stable Diffusion 3.5 offers powerful, customizable models for diverse image generation needs. | |
15 |  PromptBase promptbase.com | 658.7K | +79.4K | 13.7% | Prompt Engineering | PromptBase is the ultimate marketplace for AI prompts, offering 170k+ expert-crafted templates to help you create, sell, and hire with ease. Perfect for artists, marketers, and developers looking to enhance their AI projects. | |
16 |  RunComfy runcomfy.com | 614.1K | +21.2K | 3.6% | AI Art Generator | RunComfy is the ultimate cloud-based ComfyUI platform for AI art creation, offering fast performance, pre-configured environments, and hassle-free collaboration.
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17 |  Vellum vellum.ai | 498.6K | -73.5K | -12.8% | Prompt Engineering | Vellum AI simplifies AI development with collaborative tools for prompting, evaluation, deployment, and monitoring, helping teams build reliable AI systems faster. | |
18 |  Fireworks fireworks.ai | 438.1K | +114.9K | 35.5% | Prompt Engineering | Fireworks AI is the fastest and most cost-efficient platform for deploying generative AI, offering unmatched speed, scalability, and customization. | |
19 |  ApX Machine Learning apxml.com | 436.0K | +97.8K | 28.9% | AI Course | ApX Machine Learning Platform offers structured learning paths, practical courses, and expert insights to help you master AI and LLMs. | |
20 |  AnyGPT - ChatGPT inside any app in macOS anakin.ai | 411.0K | +8.4K | 2.1% | AI Chatbots & LLM | AnyGPT empowers you to create custom AI chatbots with ease, offering flexibility, multiple models, and fine-tuned settings for any use case. |
Tools are assigned to categories based on their primary functionality and use case. Many tools appear in multiple categories if they serve multiple purposes.
Some AI domains are more developed and have more available tools. Popular categories like content generation or image creation naturally have more tools than newer or more specialized categories.
Browse the relevant category and sort by visits or growth to see the most popular or fastest-growing tools. You can also read the descriptions and visit the tools' websites to evaluate their features.
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