Registry › Compare › LanceDB vs Weaviate

LanceDB vs Weaviate

LanceDB leads on trust: 86.6/100 (Grade A) against 73.4/100 (Grade B), a 13.2-point gap. LanceDB leads on supply-chain integrity and provenance; Weaviate leads on transparency.

A LanceDB 86.6

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

lancedb/lancedb · #80 overall · #6 Memory & Knowledge · coverage A (4/5)

Choose LanceDB if supply-chain integrity and provenance matter most.

+8.6Safety / Integrity: 90% of recent commits signed, against 43%
+7.2Identity / Provenance: package provenance attested, against none

B Weaviate 73.4

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.

weaviate/weaviate · #296 overall · #17 Memory & Knowledge · coverage A (4/5)

Choose Weaviate if transparency matters most.

+0.9Transparency: OSSF Scorecard 6.7 against 5.7

Where they differ

19.1

Safety / IntegrityLanceDB +8.6

10.5

18.0

Identity / ProvenanceLanceDB +7.2

10.8

13.3

TransparencyWeaviate +0.9

14.2

18.0

AdoptionWeaviate +0.2

18.2

-1.8

Runtime calibrationWeaviate +1.5

-0.3

1 dimension identical: Maintenance 20.0 · Full evidence table

An independent, evidence-based trust comparison of LanceDB and Weaviate, two Memory & Knowledge projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	LanceDBlancedb/lancedb	Weaviateweaviate/weaviate
HVTrust score	86.6	73.4
Evidence grade	A	B
Coverage grade	A	A
Overall rank	#80	#296
Rank in Memory & Knowledge	#6	#17
GitHub stars	11.9k	16.9k
Last updated	today	today
Build provenance	Yes	No
OSSF Scorecard	5.7 / 10	6.7 / 10
License	Apache-2.0	NOASSERTION
Downloads	1.6M/wk	1.1M/wk
Trust dimensions (points earned)
Safety / integrity / 25	19.1	10.5
Identity & provenance / 18	18.0	10.8
Transparency / 17	13.3	14.2
Maintenance / 20	20.0	20.0
Adoption / 20	18.0	18.2
Runtime capability surface (full matrix)
MCP server	—	Declared
External providers	4 — Amazon Bedrock, Cohere, Google Gemini, …	1 — Weaviate
Requires API keys	No	No
Plugin surface	plugins	—
Provenance drift	Unknown	Unknown

Open in the live compare tool → LanceDB profile Weaviate profile More Memory & Knowledge →

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →