Supabase Edge Functions vs Cloudflare Workers: Comparison
Compare Supabase Edge Functions and Cloudflare Workers on serverless, edge runtime, and AI integration. Discover which best fits your backend and AI APIs.
Supabase Edge Functions
Serverless functions on Deno, integrated with Supabase (auth, db, storage). Edge Functions run on Deno Deploy and have direct access to the Supabase client. Ideal for webhooks, auth hooks, and custom APIs alongside Supabase.
Cloudflare Workers
V8 isolates on the Cloudflare edge network — global, very low latency. Workers support Workers AI, D1, R2, and KV. The broadest edge ecosystem and massive scale.
Comparison table
| Feature | Supabase Edge Functions | Cloudflare Workers |
|---|---|---|
| Runtime | Deno | V8 isolates (JavaScript/TypeScript) |
| Integration | Native Supabase (auth, db, storage) | D1, R2, KV, Queues, Workers AI |
| AI | External APIs (OpenAI, etc.) | Workers AI — inference on edge |
| Scale | Good, Supabase limits | Very high — Cloudflare network |
| Pricing | Included in Supabase plan | Pay-per-request, generous free tier |
| Use case | Supabase projects, auth hooks | General edge compute, global APIs |
Verdict
Supabase Edge for projects already using Supabase. Cloudflare Workers for maximum edge performance and Workers AI. Both are Deno/JS compatible; choice depends on your database and AI needs.
Our recommendation
AVARC Solutions uses Supabase Edge for Supabase client projects — auth hooks, webhooks. For pure edge APIs and AI inference on the edge we recommend Cloudflare Workers. Combine: Supabase DB + Workers for edge logic when needed.
Frequently asked questions
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