Head-to-Head Specification Audit
Supabase vs Fiddler AI
Open Source Firebase Alternative · Global
Specification Matrix
| Metric | Supabase | Fiddler AI |
|---|---|---|
| Starting Price | $25/moBetter | $2083/mo |
| API Rate Limit | 500 req/minBetter | 120 req/min |
| Target Country | Global | Global |
| Category | Database & Backend | AI Governance & Compliance |
| Compliance | SOC2, GDPR, HIPAA-Enterprise | EU AI Act, FDA SaMD, CFPB ECOA, GDPR, NIST AI RMF |
| Hosting Regions | EU-West, US-East, AP-Southeast | US-West, EU-West |
| Native Integrations | 6 listedBetter | 5 listed |
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
Fiddler AI — Key Specs
- ✓Real-time AI model monitoring for drift, bias, and performance degradation
- ✓FDA SaMD audit trail compatible — clinical AI logging built-in
- ✓EU AI Act post-market monitoring (Article 72) automated
- ✓Explainability engine for CFPB adverse action notice generation
- ✓Gartner Magic Quadrant — AI Trust, Risk & Security Management
Frequently Asked Questions
What is cheaper, Supabase or Fiddler AI?+
Supabase starts at $25/mo, which is lower than Fiddler AI at $2083/mo.
Which tool is better for compliance — Supabase or Fiddler AI?+
Both support GDPR. Supabase additionally supports SOC2, HIPAA-Enterprise. Fiddler AI additionally supports EU AI Act, FDA SaMD, CFPB ECOA, NIST AI RMF.
Which has a higher API rate limit — Supabase or Fiddler AI?+
Supabase has a higher API rate limit at 500 requests per minute. Supabase: 500 req/min. Fiddler AI: 120 req/min.
Which tool is better suited for Global?+
Supabase is evaluated for Open Source Firebase Alternative in Global with hosting regions: EU-West, US-East, AP-Southeast. Fiddler AI has hosting regions: US-West, EU-West. For data residency in Global, check each vendor's data processing agreements.
Data last verified: 3 July 2026
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