Vercel Functions & Edge vs. Supabase (Postgres + Auth) — Interactive Cost & Performance Calculator
Compare Vercel Functions & Edge vs Supabase (Postgres + Auth) side-by-side. Use our interactive calculator to estimate exact monthly costs, savings, and performance trade-offs at your scale.
Vercel Functions & Edge
Best for: Next.js frontend teams & instant preview deploys
Supabase (Postgres + Auth)
Best for: Full-stack Postgres with Row-Level Security & Realtime
Side-by-Side Technical & Commercial Breakdown: Vercel Functions & Edge vs. Supabase (Postgres + Auth)
| Dimension | Vercel Functions & Edge | Supabase (Postgres + Auth) |
|---|---|---|
| Platform Provider | Vercel | Supabase |
| Base Monthly Plan | $20/mo | $25/mo |
| Compute Rate (per 1M reqs) | $0.65 | $0.20 |
| Storage / Bandwidth (per GB) | $0.150/GB | $0.125/GB |
| Typical Cold Start | 15–120 ms | 0 ms (Dedicated Postgres) |
| Included Free Tier | Hobby tier for non-commercial projects | 500MB database + 50,000 MAUs |
| Best Use Case | Next.js frontend teams & instant preview deploys | Full-stack Postgres with Row-Level Security & Realtime |
Frequently Asked Questions
Which is more cost-effective in 2026: Vercel Functions & Edge or Supabase (Postgres + Auth)?
It depends on your workload volume. Use the interactive sliders above to model your exact monthly scale. Vercel Functions & Edge (Next.js frontend teams & instant preview deploys) and Supabase (Postgres + Auth) (Full-stack Postgres with Row-Level Security & Realtime) have different unit economics that cross over as volume scales.
When should an engineering team choose Vercel Functions & Edge over Supabase (Postgres + Auth)?
Choose Vercel Functions & Edge when your primary priority is: Next.js frontend teams & instant preview deploys. Choose Supabase (Postgres + Auth) when you prioritize: Full-stack Postgres with Row-Level Security & Realtime.