Registry › Compare › Mem0 vs Weaviate

Mem0 vs Weaviate

Mem0 leads on trust: 86.2/100 (Grade A) against 74.5/100 (Grade B), a 11.7-point gap. Mem0 leads on supply-chain integrity and provenance; Weaviate leads on transparency and maintenance.

A Mem0 86.2

The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

mem0ai/mem0 · #65 overall · #5 Memory & Knowledge · coverage A (4/5)

Choose Mem0 if supply-chain integrity and provenance matter most.

  • +8.4Safety / Integrity: 100% of recent commits signed, against 45%
  • +7.2Identity / Provenance: package provenance attested, against none
B Weaviate 74.5

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 · #233 overall · #13 Memory & Knowledge · coverage A (4/5)

Choose Weaviate if transparency and maintenance matter most.

  • +1.2Transparency: OSSF Scorecard 7.0 against 5.5
  • +1.1Maintenance

Where they differ

19.4
Safety / IntegrityMem0 +8.4
11.0
18.0
Identity / ProvenanceMem0 +7.2
10.8
13.2
TransparencyWeaviate +1.2
14.4
18.8
MaintenanceWeaviate +1.1
19.9
19.1
AdoptionMem0 +0.4
18.7
-2.3
Runtime calibrationWeaviate +2.0
-0.3

Full evidence table

An independent, evidence-based trust comparison of Mem0 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 Mem0mem0ai/mem0 Weaviateweaviate/weaviate
HVTrust score 86.2 74.5
Evidence grade A B
Coverage grade A A
Overall rank #65 #233
Rank in Memory & Knowledge #5 #13
GitHub stars 66.0k 16.8k
Last updated 1d ago 1d ago
Build provenance Yes No
OSSF Scorecard 5.5 / 10 7.0 / 10
License Apache-2.0 NOASSERTION
Downloads 463k/wk 2.6M/wk
Trust dimensions (points earned)
Safety / integrity / 25 19.4 11.0
Identity & provenance / 18 18.0 10.8
Transparency / 17 13.2 14.4
Maintenance / 20 18.8 19.9
Adoption / 20 19.1 18.7
Runtime capability surface (full matrix)
MCP server Implemented Declared
External providers 14 — Amazon Bedrock, Anthropic, Cohere, … 1 — Weaviate
Requires API keys Yes No
Plugin surface plugins —
Provenance drift Partial Unknown
Open in the live compare tool → Mem0 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 v4.3 →