Cognee vs OpenViking
An independent, evidence-based trust comparison of Cognee 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.
OpenViking leads on trust — 87.9/100 (Grade A) vs 83.5/100 (Grade A), a 4.4-point gap. Full breakdown below.
| Signal | Cogneetopoteretes/cognee | OpenVikingvolcengine/OpenViking |
|---|---|---|
| HVTrust score | 83.5 | 87.9 |
| Evidence grade | A | A |
| Coverage grade | B | B |
| Overall rank | #61 | #24 |
| Rank in Memory & Knowledge | #8 | #2 |
| GitHub stars | 30.4k | 35.3k |
| Last updated | today | today |
| Build provenance | Yes | Yes |
| OSSF Scorecard | 5.1 / 10 | 6.3 / 10 |
| License | Apache-2.0 | AGPL-3.0 |
| Downloads | 25k/wk | 80k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 16.4 | 20.4 |
| Identity & provenance / 18 | 18.0 | 18.0 |
| Transparency / 17 | 12.8 | 13.9 |
| Maintenance / 20 | 20.0 | 20.0 |
| Adoption / 20 | 16.6 | 17.5 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Declared |
| External providers | 9 — Amazon Bedrock, Anthropic, Groq, … | 7 — Amazon Bedrock, Anthropic, Firecrawl, … |
| Requires API keys | Yes | No |
| Plugin surface | — | plugins |
| Provenance drift | Match | 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 v4.3 →