Quick verdict
Start with Postgres unless your app has a strong reason not to. It keeps product data, billing data, and logs understandable.
Best for
- Supabase: full-stack Postgres plus auth
- Neon: serverless Postgres
- Firebase: realtime document apps
Watch out for
- AI logs can become large tables quickly
- Keep private prompts and outputs behind strict access rules
Recommended stack
Supabase or Neon
Sentry
PostHog
SilkRouter
Where SilkRouter fits
Your hosting, CRM, email, and automation tools should not force one model provider forever. SilkRouter gives AI startups one API for supported AI models, so routing and spend visibility can live in one place.
One API For All AI Models