Comparison
datalevin vs weaviate
Verdict
Pick datalevin if dataLevin is a Clojure-based Datalog database that emphasizes speed and versatility, supporting various data storage formats including document, graph, and key-value stores; pick weaviate if weaviate is an open-source vector database that supports vector search and structured filtering, offering fault tolerance and scalability. It supports deployment via Docker, Kubernetes, and cloud services.
Markdown twin · datalevin alternatives · weaviate alternatives
GraphCanon updated Sep 20, 2026
20views this month
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Trust & integrity
| Signal | datalevin | weaviate |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 20, 2026 · github_public_v1 | Very active (0d since push) As of Sep 18, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 18, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Jul 11, 2026 · osv@v1 | Published findings As of Sep 18, 2026 · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- datalevin
- A simple, fast and versatile Datalog database
- weaviate
- An open-source vector database for vector search and structured filtering
Stars
- datalevin
- 1.5k
- weaviate
- 17k
Forks
- datalevin
- 87
- weaviate
- 1.4k
Open issues
- datalevin
- 29
- weaviate
- 735
Language
- datalevin
- Clojure
- weaviate
- Go
Adopt for
- datalevin
- DataLevin is a Clojure-based Datalog database that emphasizes speed and versatility, supporting various data storage formats including document, graph, and key-value stores.
- weaviate
- Weaviate is an open-source vector database that supports vector search and structured filtering, offering fault tolerance and scalability. It supports deployment via Docker, Kubernetes, and cloud services.
Persona
- datalevin
- -
- weaviate
- -
Runtime
- datalevin
- -
- weaviate
- -
License
- datalevin
- EPL-2.0
- weaviate
- Other
Last pushed
- datalevin
- Sep 20, 2026
- weaviate
- Sep 18, 2026
Categories
- datalevin
- Vector Databases
- weaviate
- Data & Retrieval, Vector Databases
Trust and health
Open issues (now)
- datalevin
- 29
- weaviate
- 735
Stars delta
- datalevin
- +32 (30d)
- weaviate
- +138 (30d)
Open issues delta
- datalevin
- +2 (30d)
- weaviate
- +115 (30d)
OSV dependency advisories
- datalevin
- No lockfile (source not queried)
- weaviate
- Published findings
Full report
- datalevin
- Trust report
- weaviate
- Trust report
Typed relationship
datalevin alternative weaviateWeaviate and Datalevin both serve as scalable semantic search databases, though they have different implementation details and focus areas.
Shared compatibility
- Python · datalevin: Python runtime · weaviate: Python runtime
Choose datalevin if…
- datalevin is primarily Clojure; weaviate is Go.
- License: datalevin is EPL-2.0, weaviate is Other.
- Weaviate and Datalevin both serve as scalable semantic search databases, though they have different implementation details and focus areas.
- Tags unique to datalevin: ai-native, client-server-database, document-database, embedded-database.
- Use DataLevin when you need a versatile Datalog database with high performance for applications built in Clojure.
When NOT to use datalevin
- Avoid using DataLevin if the development of your project is not centered around Clojure, given its language-specific benefits are tied to Clojure.
- Not recommended for projects where a non-Datalog query system offers better integration with existing infrastructure or tools.
Choose weaviate if…
- weaviate is primarily Go; datalevin is Clojure.
- License: weaviate is Other, datalevin is EPL-2.0.
- Weaviate and Datalevin both serve as scalable semantic search databases, though they have different implementation details and focus areas.
- Tags unique to weaviate: approximate-nearest-neighbor-search, grpc, hnsw, hybrid-search.
- Also covers Data & Retrieval.
- weaviate ships Docker support for self-hosted deployment.
- When you need a vector database that supports both vector search and structured filtering, as Weaviate uniquely combines these capabilities.
When NOT to use weaviate
- If your project strictly requires a proprietary solution, Weaviate, being open-source under the BSD 3-Clause License, may not be the best fit.
- If your application does not require vector search or structured filtering, Weaviate's specialized capabilities might be overkill.
- For teams that prefer a different programming language, Weaviate is primarily developed in Go, which might not align with all development environments.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (datalevin/datalevin) · observed Sep 20, 2026
- GitHub forks (datalevin/datalevin) · observed Sep 20, 2026
- Last push (datalevin/datalevin) · observed Sep 20, 2026
- License file (EPL-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (weaviate/weaviate) · observed Sep 20, 2026
- GitHub forks (weaviate/weaviate) · observed Sep 20, 2026
- Last push (weaviate/weaviate) · observed Sep 18, 2026
- License file (Other) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
GitHub stars on cards: datalevin 1.5k · weaviate 17k (synced Sep 20, 2026).
Common questions
- What is the difference between datalevin and weaviate?
- datalevin: A simple, fast and versatile Datalog database. weaviate: An open-source vector database for vector search and structured filtering. See the comparison table for live GitHub stats and shared categories.
- When should I choose datalevin over weaviate?
- Choose datalevin over weaviate when datalevin is primarily Clojure; weaviate is Go; License: datalevin is EPL-2.0, weaviate is Other; Weaviate and Datalevin both serve as scalable semantic search databases, though they have different implementation details and focus areas; Tags unique to datalevin: ai-native, client-server-database, document-database, embedded-database; Use DataLevin when you need a versatile Datalog database with high performance for applications built in Clojure.
- When should I choose weaviate over datalevin?
- Choose weaviate over datalevin when weaviate is primarily Go; datalevin is Clojure; License: weaviate is Other, datalevin is EPL-2.0; Weaviate and Datalevin both serve as scalable semantic search databases, though they have different implementation details and focus areas; Tags unique to weaviate: approximate-nearest-neighbor-search, grpc, hnsw, hybrid-search; Also covers Data & Retrieval; weaviate ships Docker support for self-hosted deployment; When you need a vector database that supports both vector search and structured filtering, as Weaviate uniquely combines these capabilities.
- When should I avoid datalevin?
- Avoid using DataLevin if the development of your project is not centered around Clojure, given its language-specific benefits are tied to Clojure. Not recommended for projects where a non-Datalog query system offers better integration with existing infrastructure or tools.
- When should I avoid weaviate?
- If your project strictly requires a proprietary solution, Weaviate, being open-source under the BSD 3-Clause License, may not be the best fit. If your application does not require vector search or structured filtering, Weaviate's specialized capabilities might be overkill. For teams that prefer a different programming language, Weaviate is primarily developed in Go, which might not align with all development environments.
- Is datalevin or weaviate more popular on GitHub?
- weaviate has more GitHub stars (16,819 vs 1,478). Stars measure visibility, not whether either tool fits your constraints.
- Are datalevin and weaviate open source?
- Yes - both are open-source projects on GitHub (datalevin: EPL-2.0, weaviate: Other).
- Where can I find alternatives to datalevin or weaviate?
- GraphCanon lists graph-backed alternatives at datalevin alternatives and weaviate alternatives (datalevin markdown twin, weaviate markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, datalevin or weaviate?
- datalevin: Very active. weaviate: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for datalevin and weaviate?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: datalevin trust report; weaviate trust report.