Mem0 vs OpenViking
Both are Grade A and 2.2 points apart, so choose on what you weigh most. Mem0 leads on adoption and rests on broader evidence; OpenViking leads on supply-chain integrity and maintenance. Note: OpenViking's evidence coverage is thinner (coverage B vs A) — its score rests on fewer independent signal types.
The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.
Choose Mem0 if adoption matters most.
- +1.6Adoption: 690.7k weekly downloads against 112.8k
- A vs BEvidence coverage: 4 of 5 independent signal types, against 3
Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.
Choose OpenViking if supply-chain integrity and maintenance matter most.
- +2.0Maintenance: last push today, against 1d ago
- +1.1Safety / Integrity: OSSF Scorecard 6.4 against 5.5
- +0.7Transparency: OSSF Scorecard 6.4 against 5.5
Where they differ
1 dimension identical: Identity 18.0 · Full evidence table
An independent, evidence-based trust comparison of Mem0 and OpenViking, 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 | OpenVikingvolcengine/OpenViking |
|---|---|---|
| HVTrust score | 85.8 | 88.0 |
| Evidence grade | A | A |
| Coverage grade | A | B |
| Overall rank | #82 | #51 |
| Rank in Memory & Knowledge | #7 | #1 |
| GitHub stars | 67.4k | 40.2k |
| Last updated | 1d ago | today |
| Build provenance | Yes | Yes |
| OSSF Scorecard | 5.5 / 10 | 6.4 / 10 |
| License | Apache-2.0 | AGPL-3.0 |
| Downloads | 691k/wk | 113k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 19.4 | 20.5 |
| Identity & provenance / 18 | 18.0 | 18.0 |
| Transparency / 17 | 13.2 | 13.9 |
| Maintenance / 20 | 18.0 | 20.0 |
| Adoption / 20 | 19.4 | 17.8 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Declared |
| External providers | 14 — Amazon Bedrock, Anthropic, Cohere, … | 9 — Amazon Bedrock, Anthropic, Firecrawl, … |
| Requires API keys | Yes | No |
| Plugin surface | plugins | plugins |
| Provenance drift | Partial | Match |
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 →