Registry › Compare › LanceDB vs zvec-grep

LanceDB vs zvec-grep

Both are Grade A and 0.6 points apart, so choose on what you weigh most. LanceDB leads on supply-chain integrity and adoption, and rests on broader evidence.

A LanceDB 88.0

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

lancedb/lancedb · #61 overall · #3 Memory & Knowledge · coverage A (4/5)

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

+4.6Adoption: 1.8M weekly downloads against 3.6k
+0.5Safety / Integrity: OSSF Scorecard 6.1 against 5.6
A vs BEvidence coverage: 4 of 5 independent signal types, against 3

A zvec-grep 87.4

Local-first search across your workspace, built for humans and AI agents.

zvec-ai/zvec-grep · #70 overall · #6 Memory & Knowledge · coverage B (3/5)

zvec-grep doesn't lead on any scored dimension in this pair.

Where they differ

20.0

Safety / IntegrityLanceDB +0.5

19.5

13.7

TransparencyLanceDB +0.4

13.3

18.1

AdoptionLanceDB +4.6

13.5

-1.8

Runtime calibrationzvec-grep +4.9

+3.1

2 dimensions identical: Identity 18.0 · Maintenance 20.0 · Full evidence table

An independent, evidence-based trust comparison of LanceDB and zvec-grep, 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	zvec-grepzvec-ai/zvec-grep
HVTrust score	88.0	87.4
Evidence grade	A	A
Coverage grade	A	B
Overall rank	#61	#70
Rank in Memory & Knowledge	#3	#6
GitHub stars	11.8k	4.2k
Last updated	today	today
Build provenance	Yes	Yes
OSSF Scorecard	6.1 / 10	5.6 / 10
License	Apache-2.0	Apache-2.0
Downloads	1.8M/wk	4k/wk
Trust dimensions (points earned)
Safety / integrity / 25	20.0	19.5
Identity & provenance / 18	18.0	18.0
Transparency / 17	13.7	13.3
Maintenance / 20	20.0	20.0
Adoption / 20	18.1	13.5
Runtime capability surface (full matrix)
MCP server	—	Declared
External providers	4 — Amazon Bedrock, Cohere, Google Gemini, …	1 — Multi-provider (LiteLLM)
Requires API keys	No	No
Plugin surface	plugins	—
Provenance drift	Unknown	Match

Open in the live compare tool → LanceDB profile zvec-grep 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 →