AI Pitch Simulator: Shark Tonk

Overview

Core Product: Practice investor pitches with AI avatars like YC, a16z & Sequoia. Get tough Q&A, real-time feedback & white-label options for VCs. Pitch-perfect prep for real funding.

  • Product: Web App (Native mobile app coming soon) .
  • Market Type: B2C with B2B white-label opportunities
  • Technologies: Supabase, Tavus, Daily.co, OpenAI GPT-4, Stripe, Netlify
  • Team: Built by Bolt coders since 2024. James — seasoned founder & Y Combinator alum; Jose — CEO of BrandVirality, expert in growth and marketing, scaled user base to 300k in 4 months.

Problem Raising funds is hard. Founders often freeze under tough investor questions — no matter how great their idea is. Traditional pitch coaching is expensive, inconsistent, and not scalable — so most founders go in cold.

Solution AI Pitch Simulator gives every entrepreneur access to realistic practice sessions with AI investor avatars. Each “Shark” simulates the style of real funds like Shark Tank,Y Combinator, Andreessen Horowitz (a16z), Sequoia, Benchmark, and First Round Capital — so founders can rehearse for the real thing, anytime, anywhere.

Market Validation

  • $300M+ global pitch coaching and accelerator market
  • 5M+ early-stage founders pitching annually worldwide
  • 82% say they feel underprepared for investor meetings
  • Beta users showed a 40% improvement in pitch confidence after 3 sessions

Core Selling Points

  • Realistic AI investor avatars with different fund styles (YC, a16z, Sequoia, Benchmark, etc.)
  • Custom, actionable feedback powered by GPT-4
  • Multi-language support for global founders
  • White-label option for VCs, accelerators, and universities

Talking Points

  • Accessible, affordable alternative to expensive pitch coaches
  • Practice unlimited tough Q&A in a safe environment
  • Real-time analytics show exactly where to improve
  • Flexible credit-based usage for individuals and teams

Audiences

  • Early-stage founders & entrepreneurs
  • VCs, accelerators, and startup studios (white-label)
  • Business schools & pitch competitions

Top 3 Features

  • AI “Shark” Investor Avatars — Practice with AI investors modeled on YC, a16z, Sequoia, and more.
  • Instant, Tailored Feedback — GPT-4 analyzes your pitch and gives you actionable scoring on clarity, confidence, and business fundamentals.
  • White-Label Platform — VCs and accelerators can offer their own branded simulators to cohorts.

Inspiration

We’ve seen too many talented founders struggle because they didn’t practice the tough questions under realistic pressure. Now, with AI video avatars and GPT-4, we can democratize pitch coaching for founders worldwide.

What It Does

  • Pitch Builder: Fill in your startup details and elevator pitch.
  • Choose Your “Shark”: Select AI avatars modeled after top funds — YC, a16z, Sequoia, and more.
  • Live AI Q&A: Face realistic investor questions via Tavus avatars and Daily.co live video calls.
  • Get Feedback: GPT-4 analyzes your pitch performance and gives clear, personalized recommendations.
  • Analytics Dashboard: Track your progress over time.
  • Multi-language Support: Practice in English, Spanish, French, German (more coming).
  • White-Label: VCs, accelerators, and schools can deploy branded simulators for their startups.

How We Built It

Main Technologies: Supabase, Tavus, Daily.co, OpenAI GPT-4, Stripe, Netlify

Technology Stack

  • Frontend: React 18, TypeScript, Tailwind CSS, Vite, React Router, i18next
  • Backend: Supabase (PostgreSQL, Auth, Edge Functions)
  • AI Video: Tavus API for investor avatars
  • Conversational AI: OpenAI GPT-4 for pitch analysis and feedback
  • Video Calls: Daily.co for WebRTC video
  • Payments: Stripe for secure payments and credits
  • Hosting: Netlify for PWA deployment
  • Monitoring: Sentry for error tracking
  • Version Control: GitHub for version control, backups, collaboration

How We Built It

  • Created all modules and app structure with Netlify deploy previews
  • Built the simulator “pitch room” with Tavus AI video avatars
  • Integrated Daily.co for smooth WebRTC live calls
  • Connected GPT-4 to generate real-time investor Q&A and feedback
  • Set up Supabase for auth, storage, and serverless Edge Functions
  • Added Stripe for secure credit-based payments
  • Configured Sentry for error monitoring and debugging
  • Tested cross-platform performance to prepare for mobile expansion

Challenges We Ran Into

  • Designing AI prompts that simulate real investor styles (Sequoia vs. a16z vs. YC).
  • Smooth real-time video integration while ensuring low latency AI responses.
  • Scaling multilingual support for both UI and AI Q&A.

Accomplishments We’re Proud Of

  • Stable, scalable real-time AI video pitch sessions.
  • 10+ beta users, 95% satisfaction scores.
  • LOIs signed with 1 VC firm for white-label pilots.
  • Beta founders improved pitch confidence by 40%; 15+ raised funding afterward.

What We Learned

  • The art of prompt engineering for realistic investor behavior.
  • Deep dive into WebRTC video call performance.
  • Very hard to implement daily.co with tavus to remove the basic UI.

What’s Next

  • Launch iOS & Android apps.
  • Add speech & body language analytics.
  • Industry-specific Sharks for sectors like fintech, climate, and healthtech.
  • Virtual AI-powered Demo Days.
  • Educational partnerships with top universities.

Challenges We’re Applying For

  • Make More Money Challenge: We adding paywall feature and will be added as well in the mobile app.
  • Startup Challenge: Testing new B2B revenue streams with white-label deals as well with B2C.

Built With

  • backup
  • cdn
  • cloud-storage
  • daily.co
  • email-services
  • eslint
  • git
  • github
  • https/ssl
  • jwt-authentication
  • lucide-react
  • monitoring-tools
  • netlify
  • openai-gpt-4
  • postgresql
  • prettier
  • react-18
  • react-i18next
  • react-router-dom
  • row-level-security-(rls)
  • sentry
  • stripe
  • stripe-webhooks
  • supabase
  • supabase-edge-functions
  • tailwind-css
  • tavus-api
  • typescript
  • vite
  • webrtc
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