The free tool that helps you stop wasting money on overlapping AI subscriptions.
Our Mission
The AI landscape exploded in 2024-2025. Today there are over 60 paid AI tools competing for your wallet — ChatGPT, Claude, Gemini, Midjourney, Cursor, Perplexity, and dozens more. Many users subscribe to 3-5 tools simultaneously, spending $60-200 per month without realizing that most of these tools overlap significantly in features.
SubDiet was built to solve this problem. We help you understand exactly which AI subscriptions overlap, how much you could save by consolidating, and which combination of tools gives you the best value for your specific needs.
Why "SubDiet"?
Just like a diet trims excess weight, SubDiet trims excess subscriptions. We put your AI spending on a diet — keeping the essential tools and cutting the redundant ones. The result: better tools, less waste, more savings.
What We Offer
SubDiet provides a comprehensive suite of free tools designed to give you full control over your AI spending:
AI Platform Comparison — Browse and compare 60+ AI tools across 8 categories including LLMs, coding assistants, image generators, video tools, and more. Every listing includes current pricing, free tier details, and feature summaries sourced directly from official pricing pages.
Overlap Detection — Our proprietary overlap analysis identifies which of your subscriptions duplicate each other's features. For example, if you subscribe to both ChatGPT Plus and Claude Pro, we'll show you that they share 95% of capabilities — and help you decide which one to keep.
Body Scan Calculator — A unique cost analyzer that scores your subscription portfolio across four dimensions: core tools (Muscle), redundant overlap (Fat), free alternatives (Water), and budget pressure (Stress). You get a personalized savings report you can export and share.
AI Stack Builder — Take a quick quiz about your role, budget, and priorities, and get a personalized recommendation for the optimal combination of AI tools — avoiding overlap and maximizing value.
Spending Tracker — Add your current subscriptions and see your total monthly AI spend at a glance, with trend charts and category breakdowns.
How We Work
SubDiet is built on three core principles:
Privacy First — All your subscription data stays in your browser (localStorage). We never upload your personal information to any server. No account required, no signup, no tracking of your subscription choices.
Data Accuracy — Every price, feature, and plan detail is sourced directly from each AI platform's official pricing page. We cross-reference multiple sources and update our database regularly as platforms change their offerings. Each listing shows when pricing was last verified.
Editorial Independence — Our comparisons, recommendations, and overlap analyses are based on objective feature and pricing data. We are not paid by any AI platform to rank them higher or recommend them over alternatives.
Who Built This
SubDiet is built and maintained by an independent developer based in South Korea. The project started as a personal tool to manage a growing collection of AI subscriptions that kept overlapping. After realizing how common this problem is — especially as new AI tools launch every week — it was turned into a free public tool.
We believe that managing AI subscriptions shouldn't require yet another subscription. SubDiet is free to use, and always will be.
Get in Touch
Have questions, found incorrect pricing, or want to suggest a new AI platform to add? We'd love to hear from you at contact@subdiet.org. If you represent an AI platform and want to update your listing, please reach out — we're committed to keeping our data accurate.