head to head · open source
Qdrant vs neo4j
Qdrant has 35,390 GitHub stars, 2,793 forks, 704 open issues and last shipped yesterday. neo4j has 17,386 stars, 2,835 forks, 252 open issues and last shipped 11 days ago. Qdrant leads on adoption by 104% (35,390 vs 17,386 stars). Qdrant is written in Rust under Apache-2.0; neo4j is written in Java under GPL-3.0. Qdrant has attracted 8% as many forks as stars, neo4j 16%. Qdrant was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Qdrant | neo4j | |
|---|---|---|
| GitHub stars | ★ 35K | ★ 17K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Rust | Java |
| Last push | 2026-11-02 | 2026-10-23 |
| Forks | ⑂ 2.8K | ⑂ 2.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Qdrant if
- You weight community size — 35K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick neo4j if
- You want the neo4j feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Java
- You evaluated both and neo4j fits your workflow better
About Qdrant
Vector Search Engine for the next generation of AI applications Qdrant (read: quadrant ) is a vector similarity search engine and vector database. It provides a production ready service with a convenient API to store, search, and manage points—vectors with an additional payload. Qdrant is tailored for extended filtering support, making it useful for all sorts of neural network or semantic based matching, faceted search, and other applications. Qdrant is written in Rust 🦀, which makes it fast and reliable even under high load. See benchmarks. With Qdrant, embeddings or neural network encoders can be turned into…
read the full Qdrant overview →
About neo4j
= Neo4j: Graphs for Everyone = is the world's leading Graph Database. It is a high performance graph store with all the features expected of a mature and robust database, like a friendly query language and ACID transactions. The programmer works with a flexible network structure of nodes and relationships rather than static tables yet enjoys all the benefits of enterprise quality database. For many applications, Neo4j offers orders of magnitude performance benefits compared to relational DBs. Learn more on the website]. users]] == Using Neo4j == Neo4j is available as a fully managed solution where you can get…
read the full neo4j overview →
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Frequently asked questions
Is Qdrant or neo4j more popular?
Qdrant has 35,390 GitHub stars and neo4j has 17,386. Qdrant has the larger community by that measure.
Are Qdrant and neo4j free?
Both are open source. Qdrant is licensed under Apache-2.0 and neo4j under GPL-3.0. Neither carries a licence fee.
What is the difference between Qdrant and neo4j?
Qdrant is written in Rust and neo4j in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Qdrant or neo4j?
Choose Qdrant if you want the larger community (35,390 stars) or its Apache-2.0 licence terms. Choose neo4j if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.