# 30DaysOfAI (100 School AI Challenge) vs Prompt Engineering Institute 30DaysOfAI (100 School AI Challenge) records 26,006 monthly visits with +591.8% month-over-month growth and Freemium pricing. Prompt Engineering Institute records 11,446 monthly visits with -12.4% growth and Free pricing. | Metric | [30DaysOfAI (100 School AI Challenge)](https://openaitools.app/tool/30daysofai) | [Prompt Engineering Institute](https://openaitools.app/tool/promptengineering-org) | | :--- | :--- | :--- | | Website URL | https://www.100school.com/ai-challenge | https://promptengineering.org | | Categories | AI Course, Prompt Engineering, AI Coaching, AI Tutorial | Prompt Engineering, AI Course, AI Tutorial, Large Language Models (LLMs) | | Pricing Model | Freemium | Free | | Monthly Visits | 26,006 | 11,446 | | MoM Growth Rate | +591.8% | -12.4% | | Primary Market | United Kingdom | United States | | Direct Visits | 17,968 | 3,750 | | Review Score | 3.9 | 4.3 | | Saved Count | 0 | 0 | | Supported Platforms | Website | Website | ## 30DaysOfAI (100 School AI Challenge) 30 Days of AI is the flagship learning challenge from 100 School, a training company that helps professionals and teams build working AI capability. Rather than a long video course, it is delivered as a sequence of short daily emails: you receive a lesson on a weekday morning, apply it to a real task that day, and return the next morning for the next building block. The structure is designed to break the loop of endless tutorials by forcing small amounts of deliberate practice. The curriculum moves through three broad arcs. It starts with how AI systems actually work and how to spot useful opportunities in your own role, then progresses to building: drafting, analysing, automating and prototyping with AI as a co-pilot, and finally to making AI a durable part of your daily rhythm through repeatable systems and habits. The goal is not tool trivia but judgement — the ability to pick up any AI product and use it competently. The challenge is oriented toward individuals but is also packaged for organisations that need to raise AI literacy across a whole team, with a sales-led track for company-wide rollouts. Because lessons are emailed, no software install or special account is required beyond signing up with a work email address. **Pricing & Plans:** The email challenge is free to join for individuals — you sign up with your name, company website and email. Team and enterprise rollouts are quoted separately through a sales conversation; specific team pricing is not published on the site. - **Daily emailed lessons:** A new short lesson lands in your inbox every weekday morning, so progress fits around a working day instead of competing with it. - **Three-phase curriculum:** Think with AI, build with AI and work with AI: a progression from fundamentals to automation to lasting habits, rather than a random tour of tools. - **Applied real-work tasks:** Each lesson asks you to use AI on something from your actual role, so you finish with artefacts and workflows you can keep using. - **Team programs:** Structured rollouts bring the same curriculum to a whole organisation with accountability and shared momentum, arranged via a sales conversation. - **Large peer community:** You learn alongside thousands of other professionals going through the same challenge, with supporting insights and case studies from 100 School. **Strengths:** Very low time commitment: roughly fifteen minutes per day, five days a week; Email delivery means no new app to install or platform to learn; Curriculum is practice-first, with tasks tied to your own real work; Free for individual learners, with a straight path to team programs **Limitations:** The current format is 15 days rather than the original 30, so expectations should be reset; No interactive live instruction is included at the individual level; Advanced or highly technical AI topics are out of scope [Profile (Markdown)](https://openaitools.app/tool/30daysofai.md) ## Prompt Engineering Institute Prompt Engineering Institute is a publication and learning platform rather than a software tool. Its content is organised into browsable categories — AI Foundations, Prompt Engineering, AI Workflows & Automation, LLMs & Models, RAG & Knowledge Systems, and AI Tools & Platforms — which together hold hundreds of lessons and articles. A free structured course takes newcomers from a basic definition of AI through machine learning, deep learning and the generative AI lifecycle before moving into prompting technique. The editorial voice is opinionated and practitioner-led. Longer pieces examine how agentic loops are designed, why supervised fine-tuning produces sudden capability jumps, how the Model Context Protocol underpins agent tooling, and where automation tends to break in production. Some material sits behind a paid membership tier, marking deeper reports and research pieces, while the bulk of the archive is openly readable. The site is run independently with a named editor and primary author, and it also offers a community space and newsletter alongside the written archive. Because topics in this field date quickly, the archive is best read as a reference you check periodically rather than a fixed curriculum, and readers should expect some older posts to reflect the state of the tooling at the time of writing. **Pricing & Plans:** Free to read. Much of the archive, the category browsing and the introductory course are available at no cost, and a newsletter keeps readers updated. A membership tier unlocks additional paid-only reports and research pieces; pricing for that tier is shown on the site. - **Free structured course:** A self-paced introduction to AI foundations and prompt engineering, covering the generative AI lifecycle, model behaviour and practical prompting before moving on to advanced topics. - **Topical article library:** Hundreds of pieces organised into categories such as Prompt Engineering, LLMs & Models, RAG & Knowledge Systems and Agent Engineering, for targeted reading. - **Agent and automation deep dives:** Practical frameworks and design patterns for building agentic workflows, including reliability, structured outputs, guardrails and verification strategies. - **Members-only research:** A paid membership tier adds deeper reports such as strategic guides to trend forecasting, labour-market analysis and enterprise AI transformation. - **Community and newsletter:** A place to follow discussion and receive new writing, so practitioners see fresh takes on evolving tooling without hunting for sources. **Strengths:** Genuinely free access to a large, well-organised archive and an introductory course; Practitioner-level writing with concrete frameworks rather than generic listicles; Broad topical coverage spanning prompting, agents, RAG, fine-tuning and industry trends; Newsletter and community make it easy to follow new material as tooling changes **Limitations:** The most substantial research reports sit behind a paid membership; Some older posts describe tooling that has since moved on, so dates matter when reading; It is a learning resource, not software, so there is nothing to install or run [Profile (Markdown)](https://openaitools.app/tool/promptengineering-org.md) ## Frequently Asked Questions ### How do 30DaysOfAI (100 School AI Challenge) and Prompt Engineering Institute compare in monthly traffic? 30DaysOfAI (100 School AI Challenge) has 26,006 monthly visits, while Prompt Engineering Institute has 11,446. Traffic estimates describe audience size, not product quality. ### How do their growth rates compare? 30DaysOfAI (100 School AI Challenge) has a month-over-month growth rate of +591.8%; Prompt Engineering Institute has -12.4%. ### How does pricing compare? 30DaysOfAI (100 School AI Challenge): Freemium. The email challenge is free to join for individuals — you sign up with your name, company website and email. Team and enterprise rollouts are quoted separately through a sales conversation; specific team pricing is not published on the site. Prompt Engineering Institute: Free. Free to read. Much of the archive, the category browsing and the introductory course are available at no cost, and a newsletter keeps readers updated. A membership tier unlocks additional paid-only reports and research pieces; pricing for that tier is shown on the site. ## Alternatives | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [DeepLearning.AI](https://openaitools.app/tool/deeplearning-ai) | 2,562,512 | -7.2% | Freemium | AI engineering courses, certificates, and the world's biggest AI newsletter | [.md](https://openaitools.app/tool/deeplearning-ai.md) | | 2 | [FlowGPT](https://openaitools.app/tool/flowgpt) | 1,761,490 | +13.3% | Freemium | A community library of AI prompts and chatbots you can chat with instantly | [.md](https://openaitools.app/tool/flowgpt.md) | | 3 | [PromptHero](https://openaitools.app/tool/prompthero) | 1,044,654 | -2.4% | Freemium | Search millions of AI prompts and generate images and videos with every major model | [.md](https://openaitools.app/tool/prompthero.md) | | 4 | [The Rundown AI](https://openaitools.app/tool/the-rundown-ai) | 1,018,070 | +28.6% | Free | The top AI news and how to apply it, in five minutes a day | [.md](https://openaitools.app/tool/the-rundown-ai.md) | | 5 | [OpenAI Academy](https://openaitools.app/tool/openai-academy) | 937,379 | -6.3% | Free | Free courses, live events and community for building real AI skills | [.md](https://openaitools.app/tool/openai-academy.md) | | 6 | [fast.ai](https://openaitools.app/tool/fast-ai) | 250,720 | -10.4% | Free | Free practical deep learning courses, research and open-source libraries | [.md](https://openaitools.app/tool/fast-ai.md) | | 7 | [Learn Prompting](https://openaitools.app/tool/learn-prompting) | 159,807 | -8.6% | Freemium, Free Trial, Contact for Pricing | Free open course for prompt engineering and AI security | [.md](https://openaitools.app/tool/learn-prompting.md) | | 8 | [AI for Work](https://openaitools.app/tool/ai-for-work) | 72,615 | -14.9% | Free | A free prompt library and AI workflow hub for professionals | [.md](https://openaitools.app/tool/ai-for-work.md) | | 9 | [The Full Stack (fullstackdeeplearning.com)](https://openaitools.app/tool/fullstackdeeplearning-com) | 46,082 | +6.6% | Free (educational content) | Courses and best practices for building AI-powered products end to end | [.md](https://openaitools.app/tool/fullstackdeeplearning-com.md) | | 10 | [Claude Code Club](https://openaitools.app/tool/claude-code-club) | 17,820 | +68.2% | Paid | Learn Claude Code and ship real apps, sites, and income streams | [.md](https://openaitools.app/tool/claude-code-club.md) | --- Source: https://openaitools.app/compare/30daysofai-vs-promptengineering-org More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)