Clerk vs Supabase (pgvector)
Agent-native side-by-side. Scores are curated estimates on a 0–10 scale. Lock-in: higher = worse. Prefer JTBD picks via /api/decide when choosing for a job.
| Dimension | Clerk | Supabase (pgvector) |
|---|---|---|
| Overall | 8.4 | 8.6 |
| Capability fit | 9.0 | 8.5 |
| Price / performance | 8.0 | 9.0 |
| Latency / reliability | 9.0 | 8.6 |
| Developer & agent DX | 9.8 | 9.4 |
| Privacy / data retention | 8.2 | 8.0 |
| Lock-in risk (higher = worse) | 6.5 | 3.0 |
| Maturity / track record | 8.5 | 9.0 |
| Pricing | Bills monthly retained users (MRU: a user who returns at least one day after signing up), not MAU (https://clerk.com/pricing, fetched 2026-10-21): Hobby free up to 50,000 MRU per app; Pro $25/mo and Business $300/mo incl… | Postgres + pgvector + Auth + Storage; usage on compute/storage; free tier. Vectors hitchhike on Postgres. |
| Tagline | Depot default auth for agent products with users. WorkOS when enterprise SSO is the main job. | Depot default for most agent apps under ~25–50M vectors. Don't add Pinecone until Postgres actually hurts. |
Clerk
Depot default auth for agent products with users. WorkOS when enterprise SSO is the main job. Strengths: Best-in-class auth DX for modern apps; Prebuilt components agents/docs love; Organizations/B2B features.
Strengths
- Best-in-class auth DX for modern apps
- Prebuilt components agents/docs love
- Organizations/B2B features
Weaknesses
- MAU pricing anxiety at scale
- Less 'enterprise IdP' than Auth0/WorkOS for some cases
- Migration off Clerk takes work
Supabase (pgvector)
Depot default for most agent apps under ~25–50M vectors. Don't add Pinecone until Postgres actually hurts. Strengths: One backend for auth, DB, storage, vectors; Best DX for many Next.js agent apps; Open standards (Postgres).
Strengths
- One backend for auth, DB, storage, vectors
- Best DX for many Next.js agent apps
- Open standards (Postgres)
Weaknesses
- Vector scale ceiling vs dedicated engines
- Need pgvectorscale/careful indexing past tens of M
- Not a pure vector specialist
More pairs: anthropic-vs-openai · openai-vs-google-ai · groq-vs-fireworks · fireworks-vs-together · qdrant-vs-pinecone · pinecone-vs-supabase-pgvector · e2b-vs-modal · browserbase-vs-firecrawl