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AI Tool Comparison
Milvus vs Supabase
A side-by-side breakdown to help you pick the right tool for your workflow.
Milvus
Store and search billions of embeddings with a self-hosted open-source vector database, or run the same engine managed via Zilliz Cloud for RAG and semantic search at scale.
Developer Tools
freemium
Supabase
Get a Postgres database, auth, storage, and edge functions in one backend, with an AI Assistant and MCP integrations, so small teams ship apps without managing infrastructure.
Developer Tools
freemium
Bottom Line
Supabase edges ahead on rating (4.7 vs 4.5), but the right pick still comes down to which workflow you're running.
Choose Milvus if…
Developer Tools
Choose Supabase if…
Backend Development
| Attribute | Milvus | Supabase |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Pricing | freemium | freemium |
| Pricing Detail | Free (self-host) / Free tier Zilliz Cloud / from $99/mo Dedicated | Free / $25/mo Pro / $599/mo Team |
| Rating |
Key Features
Milvus
- Billion-scale vector search
- GPU acceleration
- Distributed architecture
- Multiple index types
Supabase
- Postgres database
- Built-in authentication
- File storage
- pgvector for semantic search
- Edge functions
- Real-time subscriptions
Pros
Milvus
- •Scales extremely well
- •Mature and battle-tested
- •Cloud option (Zilliz)
Supabase
- •Generous free tier for prototyping and small apps
- •pgvector eliminates need for a separate vector DB
- •Open-source with strong community
Cons
Milvus
- Heavier to operate
- Overkill for small projects
Supabase
- Postgres expertise helpful for advanced use
- Free tier has project pause after inactivity