Welcome to TalkingSchema
TalkingSchema is the AI copilot for data modeling and ERD design. Describe your data model in plain English and watch your schema take shape instantly — no manual diagramming, no boilerplate SQL.
Design production-ready schemas in seconds.
What can TalkingSchema do?
| Feature | Description |
|---|---|
| AI Chat | Describe your schema in natural language — the AI builds it |
| Live ERD | Auto-generated entity-relationship diagram updates in real time |
| Draw Mode | Instant schema changes — no approval step |
| Plan Mode | AI proposes changes, you approve or reject |
| Import SQL | Upload .sql files or paste SQL to seed your schema |
| Connect DB | Connect to Supabase or Neon to import live schema |
| Export | SQL (4 dialects), DBML, JSON, PNG, SVG, PDF |
| Share | One-click public share links — read-only ERD + chat |
| No sign-up | Start instantly as anonymous user |
Who is TalkingSchema for?
| Role | How they use TalkingSchema |
|---|---|
| Backend developers | Prototype schemas quickly before writing migration files |
| Data engineers | Model data warehouse tables and relationships |
| Analysts | Understand existing schemas via ERD visualization |
| Students | Learn relational database design with AI guidance |
| Product managers | Communicate data requirements visually without SQL |
Key concepts
- Draw Mode — AI patches your schema instantly as you chat
- Plan Mode — AI proposes a plan, you approve changes
- Schema Design — Tables, fields, relationships, enums
- Import — Bring in existing schemas
- Export — Get production-ready SQL and more
Frequently asked questions
Is TalkingSchema free?
Yes. Anonymous users get 500,000 lifetime tokens — no sign-up required. Registered users on the Hobby plan get 500,000 tokens/day. See plans.
Can I use TalkingSchema without creating an account?
Yes. Open talkingschema.ai and start chatting immediately. Your session and schema persist in your browser.
What AI model powers TalkingSchema?
TalkingSchema uses large language models optimized for structured data understanding. The AI understands relational concepts, cardinality, normalization, and best practices.
Is my data private?
Yes. Your schemas are stored securely and not used to train AI models.