Supabase (pgvector)
What it is
Supabase is hosted Postgres; with the pgvector extension it stores embeddings next to your app data. That lets you do RAG with ordinary SQL and Postgres row-level security.
Best for
#1 of 3Knowledge for Build a customer-support agent
Total 7.5 / 10
- Retrieval quality & features (25%)7 / 10
- Operational simplicity (20%)8 / 10Same Postgres as app data/tickets. Editorial read of docs; no own test yet.
Evidence:0021 (source: Supabase)
- Cost at MVP scale (20%)8 / 10Free 500 MB; Pro from $25/mo.
Evidence:0020 (source: Supabase)
- Scale & performance (15%)6 / 10No independent benchmark used.
Evidence:0021 (source: Supabase)
- Access control & data governance (10%)8 / 10RLS-scoped retrieval documented.
Evidence:0023 (source: Supabase)
- Openness (10%)8 / 10Open-source pgvector, self-hostable Postgres.
Evidence:0024 (source: GitHub)
#2 of 3Knowledge for Build a deep-research agent
Total 7.4 / 10
- Retrieval quality & features (30%)7 / 10pgvector + hybrid search in Postgres.
- Operational simplicity (20%)8 / 10Same Postgres as the app.
Evidence:0021 (source: Supabase)
- Cost at MVP scale (20%)8 / 10Free 500 MB; Pro from $25/mo.
Evidence:0020 (source: Supabase)
- Scale & performance (15%)6 / 10No independent benchmark used.
Evidence:0021 (source: Supabase)
- Access control & data governance (5%)8 / 10
Evidence:0023 (source: Supabase)
- Openness (10%)8 / 10
Evidence:0024 (source: GitHub)
Strengths
- pgvector with HNSW/IVFFlat indexes and automatic embeddings.0021 (source: Supabase)
- Hybrid keyword + semantic search inside Postgres.0022 (source: Supabase)
- Row Level Security restricts which documents retrieval returns per user.0023 (source: Supabase)
Limits
- Free plan capped at 500 MB database.0020 (source: Supabase)
Pricing
Freemium
Free (500 MB DB); Pro from $25/month (8 GB disk).0020 (source: Supabase)
As of . Check the vendor's page before buying.
License
Proprietary platform · maintains open-source projects: supabase/supabase (Apache-2.0).0152 (source: Supabase)0153 (source: GitHub)
Checked .
Alternatives in the same layer
Disclosures
- None