# How to Vibe Code Your Own Gamma (and Stop Paying for It)

> Effortless AI design for presentations, websites, and more

- Site: https://gamma.app
- Category: AI Design & Content Creation
- Platforms: Web app
- Verdict: **Solid side project** (62/100 vibecodeable)
- Estimated effort: 3-4 weeks of focused development

## Verdict

You can build a functional personal prompt-to-card presentation generator, but replicating Gamma's polished layout constraint engine and multi-model orchestration will take weeks of rigorous iteration.

Building a basic version where an LLM returns JSON representing structured slides and renders them using Tailwind CSS is entirely achievable with modern AI coding assistants. However, you will hit friction when trying to get LLMs to consistently output structurally valid card layouts that look professionally designed instead of generic markdown blocks. Managing async generation queues for text and image models, and building reliable PDF/PPTX exports, will consume the bulk of your development time.

### What you can't replicate

- The massive proprietary template library and layout constraint engine tuned over millions of generations
- Enterprise agreements and direct credit allocations across 20+ frontier foundation models
- The $100M ARR distribution engine and brand loyalty

## What it does

An AI-powered content creation and design platform that turns prompts, outlines, or documents into scrollable, responsive visual cards for presentations, websites, and documents.

### Core features

- Prompt-to-deck or website pipeline generating structured content trees
- Flexible card-based block layout engine with responsive design
- Multi-model orchestration layer connecting text models (Claude/GPT) and image generation (Flux/Ideogram)
- Theme and brand styling engine for custom CSS variables and typography
- Interactive block components (accordions, galleries, embeds, cards)
- Export rendering engine for PDF and PowerPoint (PPTX) downloads

## The business

### Pricing

- Free: $0 — For simple projects and getting to know Gamma
- Plus: $9/mo — For extra AI power and removing Gamma branding
- Pro: $18/mo — For premium AI models, API, and more customization
- Ultra: $90/mo — For 20x more AI usage and advanced models

### Funding

$90M raised.
- Seed (2021): $7M
- Series A (May 2024): $12M
- Series B & Secondary (November 2025): $68M
Investors: Andreessen Horowitz (a16z), Accel, Afore Capital, Uncork Capital, South Park Commons, Script Capital

Founded 2021.
Team size: ~50.

## The hard parts

- Translating raw LLM text output into structured, visually appealing hierarchical web card layouts without breaking responsiveness
- Coordinating multi-model pipelines where text generation feeds into sequential image generation and layout placement prompts
- Building a performant visual editor that supports smooth block reordering, inline formatting, and dynamic theme switching
- Handling complex export formatting for PPTX and PDF documents from custom web DOM structures

## How to vibe code Gamma

### Prerequisites

- Node.js (free): Required for running the Next.js development environment.
- GitHub (free): For version control and deploying your project.
- Anthropic API Key (Pay-as-you-go): Powers structured text generation for presentations and documents.
- fal.ai API Key (Pay-as-you-go): Provides fast image generation via Flux for illustrations and card visuals.

### Recommended AI tools

- Claude Code: Best-in-class terminal coding agent for scaffolding multi-file Next.js apps and setting up API pipelines.
- Cursor: Ideal for fine-tuning complex React components, Tailwind layouts, and interactive card editing interfaces.

### Stack

- Frontend: Next.js with Tailwind CSS and Framer Motion
- Backend: Next.js Server Actions and API Routes
- Database: Turso (SQLite at the edge)
- Auth: better-auth
- Payments: None (personal clone)
- Other: Anthropic API, fal.ai API

### Hosting

- Cloudflare (Hosting the Next.js frontend and edge API routes): $0-5/mo

### Build guide

1. **Scaffold Project & Database Schema** — Initialize a Next.js application with Tailwind CSS, configure better-auth with Turso, and set up the database tables for projects, cards, and themes.

```
Create a new Next.js project with Tailwind CSS, TypeScript, and Lucide React icons. Set up better-auth with SQLite via Turso using @libsql/client. Create database schema definitions for 'projects' (id, userId, title, theme, createdAt) and 'cards' (id, projectId, orderIndex, layoutType, contentJson). Ensure proper foreign key relationships and write initial migration scripts.
```

2. **Build AI Orchestration Pipeline** — Implement a server-side generation route that calls the Anthropic API with structured output prompting to convert a user prompt into a JSON array of presentation cards.

```
Implement an API route in Next.js that accepts a user prompt and presentation style. Write a robust system prompt for Anthropic Claude that instructs the model to output a strict JSON array representing presentation cards. Each card must include a layout type (e.g., 'hero', 'split', 'grid', 'bullets'), heading, body copy, and image placeholder prompts. Validate the response using Zod before returning it to the client.
```

3. **Build Image Generation Integration** — Integrate fal.ai to automatically generate background or contextual images for cards that require visual elements.

```
Create a utility module that calls the fal.ai Flux Schnell endpoint to generate images based on prompts extracted from card JSON. Handle API errors gracefully with fallback illustrations. Add a server action that updates a card's background or illustration URL in the Turso database once generation completes.
```

4. **Develop Card Renderer & Layout Engine** — Build responsive React components that dynamically render different card layouts (split columns, bullet cards, image grids) with customizable themes.

```
Build a responsive presentation viewer component in React that renders an array of card objects. Create distinct layout components for 'hero', 'split-content', 'feature-grid', and 'quote-block'. Implement theme support that dynamically injects CSS variables for background colors, font families, and accent borders based on the project's selected theme.
```

5. **Implement Visual Editor & Reordering** — Add interactive editing capabilities allowing users to modify card text inline, reorder cards, and regenerate individual sections with AI.

```
Build an interactive editor view for projects where users can click to edit card text inline, drag cards to reorder them using dnd-kit or similar primitives, and trigger targeted AI regeneration on a single card using a floating action toolbar. Save changes to Turso via debounced server actions.
```

6. **Add Export and Sharing Functionality** — Implement print styles and PDF export functionality so users can download their presentations as clean documents.

```
Implement a print-friendly CSS stylesheet and export action using html2pdf.js or browser print APIs so users can export their slide decks or web pages as clean PDF documents. Add a public sharing view with a unique URL slug for viewing published projects without editing access.
```

### Cost vs paying

**Starting costs (one-time):**

- AI Coding Assistant Subscription: $20
- API Credits (Anthropic & fal.ai): $10
- Total: ~$30 one-time

**Ongoing costs (monthly):**

- Cloudflare & Turso free tiers: $0
- API usage for personal generations: ~$5/mo
- Total: ~$5/mo

- Paying for the SaaS instead: $18/mo (Pro tier)
- Build time: 30-40 hours
- AI tool credits: $20 (Cursor/Claude Pro) + API usage
- Break-even: 2 months of Pro subscription

## Sources

- [Gamma.app Homepage](https://gamma.app)
- [Gamma Pricing Page](https://gamma.app/pricing)
- [Gamma About Page](https://gamma.app/about)