--- title: HypeCheck - AI Startup Idea Validator description: Open-source AI reality checks for startup ideas. url: https://hypecheck.nullhype.tech/ last_updated: 2026-06-03 --- # HypeCheck HypeCheck is an open-source AI startup idea validator by NullHype AI. It helps builders stress-test startup ideas before spending nights and weekends building the wrong thing. ## What HypeCheck Does Describe a startup idea in plain language. HypeCheck returns a structured validation report with: - Hype Score - Competitor landscape - Market sizing - Execution risks - Monetization viability - Demand signals - Build-or-don't-build verdict - Public shareable report link ## Who It Is For HypeCheck is for indie hackers, developers, product builders, founders, and small teams who want signal before committing to a build sprint. ## Pricing - 3 free reports per account - $5 for one additional report credit - $8.99 for 10 additional report credits - One-time purchases only - No subscriptions - No recurring charges ## Open Source HypeCheck is open source. The codebase includes a practical AI SaaS stack with Next.js, Supabase, Claude Sonnet 4.6 by default, Dodo Payments, public report sharing, report history, and legal pages. GitHub: https://github.com/nullhypeai/hypecheck ## Links - Website: https://hypecheck.nullhype.tech - Start a report: https://hypecheck.nullhype.tech/check - Product Hunt: https://www.producthunt.com/posts/hypecheck - X: https://x.com/nullhypeai