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Head-to-Head Specification Audit
Vercel AI SDK vs Supabase
AI SDK for Next.js and React · Global
Specification Matrix
| Metric | Vercel AI SDK | Supabase |
|---|---|---|
| Starting Price | CustomBetter | $25/mo |
| API Rate Limit | N/A | 500 req/min |
| Target Country | Global | Global |
| Category | AI Infrastructure | Database & Backend |
| Compliance | SOC2 | SOC2, GDPR, HIPAA-Enterprise |
| Hosting Regions | Global-Edge | EU-West, US-East, AP-Southeast |
| Native Integrations | 6 listedBetter | 6 listed |
Vercel AI SDK — Key Specs
- ✓Best-in-class streaming UX — useChat, useCompletion hooks
- ✓Unified API: OpenAI, Anthropic, Mistral, Google all behind same interface
- ✓Edge Function compatible — runs globally at the edge
- ✓Free and open source
Supabase — Key Specs
- ✓PostgreSQL with RLS, Edge Functions, Realtime, Auth, Storage
- ✓pgvector extension: vector similarity search without Pinecone
- ✓SOC 2 Type II, GDPR DPA (EU data residency available)
- ✓Free tier: 500MB database + 2GB storage forever
Frequently Asked Questions
What is cheaper, Vercel AI SDK or Supabase?+
Vercel AI SDK starts at $0/mo, which is lower than Supabase at $25/mo.
Which tool is better for compliance — Vercel AI SDK or Supabase?+
Both support SOC2. Supabase additionally supports GDPR, HIPAA-Enterprise.
Which tool is better suited for Global?+
Vercel AI SDK is evaluated for AI SDK for Next.js and React in Global with hosting regions: Global-Edge. Supabase has hosting regions: EU-West, US-East, AP-Southeast. For data residency in Global, check each vendor's data processing agreements.
Data last verified: 26 June 2026
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