How to Build Your Own Synthesia
Replace Synthesia with a custom build. #1 AI Video Platform for Business
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 45 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 45 features
AI Avatars(6 features)
Personalize AI avatars by changing clothing colors and adding logos
Avatars can be customized to talk in any environment and outfit with ability to act using AI models
Add two or more avatars in a single scene
AI avatars that gesture like professional speakers, can wave, point, and clap based on script
Create a custom AI avatar that looks and sounds like you, speaks 30+ languages, digital twin
+1 more in this category
Branding(4 features)
Automatically apply company colors, fonts, logos, and brand style to all videos created
Custom video templates designed by creative team for your brand
Add company logo to video pages with customizable branding
Upload and use your own fonts in videos
Security(4 features)
Human and AI moderation processes to ensure ethical and responsible use of AI in video generation
Add passwords to videos to protect and control access
Fast and secure login for team members
Require SSO authentication so only team members can access videos
Collaboration(3 features)
Invite guest users to provide feedback on videos via comments
Collaborate with team members in real-time, create, comment, and review videos together in one place
Invite team members to unified workspace for shared collaboration
Content Creation(3 features)
Upload custom images, videos, infographics, and other media
Upload PowerPoint presentations and automatically turn them into videos
Access 60+ pre-designed video templates to speed up creation
Support(3 features)
Round-the-clock live chat support via Synthesia website
CSM guides through personalized onboarding process for Enterprise customers
Expert implementation support for Enterprise customers
AI Audio(2 features)
Choose from hundreds of natural-sounding voices in 160+ languages with various narration styles and accents
Record your unique voice and pair it with your Personal Avatar to create a digital voice double
AI Content Creation(2 features)
Use latest AI models for video and image creation including Sora 2, Veo 3.1, FLUX.2, and Nano Banana Pro
Automatically transform documents, PDFs, websites, and links into AI videos with ChatGPT-like prompts
Cost Calculator
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Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 45 features at very easy complexity.