AWS Lambda vs. Supabase (Postgres + Auth) — Interactive Cost & Performance Calculator
Compare AWS Lambda vs Supabase (Postgres + Auth) side-by-side. Use our interactive calculator to estimate exact monthly costs, savings, and performance trade-offs at your scale.
AWS Lambda
Best for: Deep AWS ecosystem event-driven microservices
Supabase (Postgres + Auth)
Best for: Full-stack Postgres with Row-Level Security & Realtime
Side-by-Side Technical & Commercial Breakdown: AWS Lambda vs. Supabase (Postgres + Auth)
| Dimension | AWS Lambda | Supabase (Postgres + Auth) |
|---|---|---|
| Platform Provider | Amazon Web Services | Supabase |
| Base Monthly Plan | $0/mo | $25/mo |
| Compute Rate (per 1M reqs) | $0.85 | $0.20 |
| Storage / Bandwidth (per GB) | $0.090/GB | $0.125/GB |
| Typical Cold Start | 80–350 ms | 0 ms (Dedicated Postgres) |
| Included Free Tier | 1M requests + 400,000 GB-sec/mo | 500MB database + 50,000 MAUs |
| Best Use Case | Deep AWS ecosystem event-driven microservices | Full-stack Postgres with Row-Level Security & Realtime |
Frequently Asked Questions
Which is more cost-effective in 2026: AWS Lambda or Supabase (Postgres + Auth)?
It depends on your workload volume. Use the interactive sliders above to model your exact monthly scale. AWS Lambda (Deep AWS ecosystem event-driven microservices) 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 AWS Lambda over Supabase (Postgres + Auth)?
Choose AWS Lambda when your primary priority is: Deep AWS ecosystem event-driven microservices. Choose Supabase (Postgres + Auth) when you prioritize: Full-stack Postgres with Row-Level Security & Realtime.