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.
The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.
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
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.
Choose Weaviate if transparency and maintenance matter most.
- +1.2Transparency: OSSF Scorecard 7.0 against 5.5
- +1.1Maintenance
Where they differ
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 |
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 →