MCP Comparison
Qdrant vs Weaviate
Updated: April 16, 2026
Verdict
Both Qdrant and Weaviate are OSS vector databases you can self-host. Qdrant has a tighter focus on vector search with payload filtering. Weaviate has richer object-storage features and hybrid search. Pick Qdrant when the vector store is a companion to your main database; pick Weaviate when it is the main database.
Pick Qdrant if...
- +You only need vectors and lightweight payload filters
- +You want Rust performance and small deployments
- +You already store source data elsewhere
- +You want on-disk scale for big indexes
- +Your workload is pure similarity search
Pick Weaviate if...
- +You want BM25 and vector search combined natively
- +Raw objects live alongside vectors in the same DB
- +You use GraphQL and want generative-search features
- +You need cross-references between objects
- +You want multi-modal (text + image) vectors built in
Feature comparison
| Feature | Qdrant | Weaviate |
|---|---|---|
| Primary focus | store and search embeddings in Qdrant | hybrid search and vector ops on Weaviate |
| Vendor / maintainer | Qdrant | Weaviate |
| Implementation language | Python | Python |
| License | Apache 2.0 | BSD-3 |
| Pricing | free, OSS | free, OSS |
| Authentication | API key (optional) | API key |
| Transport | stdio | stdio |
| Official homepage | github.com/qdrant/mcp-server-qdrant | github.com/weaviate/mcp-server-weaviate |
Frequently asked questions
Which MCP server is faster to set up, Qdrant MCP or Weaviate MCP?
Qdrant MCP typically installs via a single npm or pip command and asks for API key (optional). Weaviate MCP needs API key. Expect 2-5 minutes for either once credentials are ready. If you already have API configured, Qdrant MCP wins by a minute or two.
Can I run Qdrant MCP and Weaviate MCP side by side in the same Claude client?
Yes. Claude Desktop, Cursor, and Claude Code all accept multiple MCP servers in the same config file. Each runs in its own process and exposes a distinct tool namespace, so there are no naming collisions. Memory usage is additive; budget roughly 40-80 MB per server.
How do Qdrant MCP and Weaviate MCP compare on cost?
Qdrant MCP is free, OSS. Weaviate MCP is free, OSS. Most of the real spend is on the underlying service, not the MCP server itself; the server is almost always free. Budget based on query volume at the backend, not the MCP layer.
Is Qdrant MCP or Weaviate MCP more production-ready?
Qdrant MCP is maintained by Qdrant, which tends to mean faster fixes. Weaviate MCP is backed by Weaviate. For critical workloads, pick the vendor-backed option or pin a specific version.
What authentication does each server need?
Qdrant MCP authenticates with API key (optional). Weaviate MCP uses API key. Store secrets in a password manager or your shell's keychain and inject them via environment variables; never commit them to the MCP config file, which is often synced across machines.
Which one should I pick first if I am just starting with MCP?
Start with whichever backend you already pay for or use daily. If you do not use either yet, Qdrant MCP is fully OSS, so there is no signup friction. You can always add the second one later without disrupting the first.