Final YearAdvancedAI/ML 20-24 weeks
Multi-Modal AI Content Generator
A production-ready SaaS platform that generates blog posts, social media content, images, and marketing copy using multiple AI APIs — with a credit system, subscription billing, and team workspaces.
Next.jsOpenAI APIStability AIStripePostgreSQLRedisUpstash
Find GitHub repos & source code →How to build it — step by step
- 1Multi-model Integration: GPT-4o for text; DALL-E 3 + Stability AI for images; Whisper for transcription; ElevenLabs for TTS
- 2Credit System: Each generation costs credits; track usage in DB; enforce limits with Redis atomic decrements
- 3Billing: Stripe subscriptions (Free/Pro/Team); webhook handler for subscription lifecycle events
- 4Team Features: Organizations with member roles; shared content library; usage analytics per team member
Key features to implement
- ✓Text, image, audio content generation
- ✓Brand voice training from existing content
- ✓Team collaboration with shared workspace
- ✓Usage analytics and cost tracking
- ✓API access for enterprise customers
💡 Unique twist to stand out
Build a "Content Repurposing Engine" — paste a blog post URL and the AI automatically generates a Twitter thread, LinkedIn post, Instagram captions, and a YouTube video script from the same content.
🎓 What you'll learn
SaaS architecture, multi-API orchestration, subscription billing, team permission systems, and production AI application design.