Registry › Compare › Mem0 vs Weaviate

Mem0 vs Weaviate

Mem0 leads on trust: 82.4/100 (Grade A) against 73.4/100 (Grade B), a 9.0-point gap. Mem0 leads on supply-chain integrity and provenance; Weaviate leads on transparency and maintenance.

A Mem0 82.4

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

mem0ai/mem0 · #141 overall · #11 Memory & Knowledge · coverage A (4/5)

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

  • +8.9Safety / Integrity: 100% of recent commits signed, against 43%
  • +7.2Identity / Provenance: package provenance attested, against none
  • +1.3Adoption: 68.7k GitHub stars against 16.9k
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 and maintenance matter most.

  • +6.3Maintenance: last push today, against 4d ago
  • +1.0Transparency: OSSF Scorecard 6.7 against 5.5

Where they differ

19.4
Safety / IntegrityMem0 +8.9
10.5
18.0
Identity / ProvenanceMem0 +7.2
10.8
13.2
TransparencyWeaviate +1.0
14.2
13.7
MaintenanceWeaviate +6.3
20.0
19.5
AdoptionMem0 +1.3
18.2
-1.4
Runtime calibrationWeaviate +1.1
-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 82.4 73.4
Evidence grade A B
Coverage grade A A
Overall rank #141 #296
Rank in Memory & Knowledge #11 #17
GitHub stars 68.7k 16.9k
Last updated 4d ago today
Build provenance Yes No
OSSF Scorecard 5.5 / 10 6.7 / 10
License Apache-2.0 NOASSERTION
Downloads 865k/wk 1.1M/wk
Trust dimensions (points earned)
Safety / integrity / 25 19.4 10.5
Identity & provenance / 18 18.0 10.8
Transparency / 17 13.2 14.2
Maintenance / 20 13.7 20.0
Adoption / 20 19.5 18.2
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 v4.4 →