Best AI tools for a backend database
Ranked by fit for most people. Prices checked against official pages.
| Tool | Best for | Skill | Free tier | Paid from | The catch |
|---|---|---|---|---|---|
| Supabase | Postgres database + auth + storage, default backend for AI builders | beginner | Yes (projects pause when inactive) | $25/mo src 2026-10-13 | Free projects pause after inactivity |
| Firebase | NoSQL database, auth and hosting, great for mobile | beginner | Yes (Spark) | Usage-based (Blaze) src 2026-10-13 | Usage-based billing can surprise; NoSQL modeling |
| Convex | Reactive TypeScript backend that AI agents write well | dev | Yes | $25/developer/mo src 2026-10-13 | Proprietary platform |
| Neon | Serverless Postgres with branching | dev | Yes | Usage-based (example ~$15/mo) src 2026-10-13 | Compute limits on free tier |