Registry › Compare › Cognee vs OpenViking

Cognee vs OpenViking

Both are Grade A and 2.1 points apart, so choose on what you weigh most. Cognee leads on transparency; OpenViking leads on supply-chain integrity and adoption.

A Cognee 85.9

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free

topoteretes/cognee · #80 overall · #6 Memory & Knowledge · coverage B (3/5)

Choose Cognee if transparency matters most.

+0.5Transparency: OSSF Scorecard 7.0 against 6.4

A OpenViking 88.0

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

volcengine/OpenViking · #51 overall · #1 Memory & Knowledge · coverage B (3/5)

Choose OpenViking if supply-chain integrity and adoption matter most.

+1.3Safety / Integrity: 100% of recent commits signed, against 59%
+1.1Adoption: 112.8k weekly downloads against 25k

Where they differ

19.2

Safety / IntegrityOpenViking +1.3

20.5

14.4

TransparencyCognee +0.5

13.9

19.9

MaintenanceOpenViking +0.1

20.0

16.7

AdoptionOpenViking +1.1

17.8

-2.3

Runtime calibrationOpenViking +0.1

-2.2

1 dimension identical: Identity 18.0 · Full evidence table

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.

Full evidence

Signal	Cogneetopoteretes/cognee	OpenVikingvolcengine/OpenViking
HVTrust score	85.9	88.0
Evidence grade	A	A
Coverage grade	B	B
Overall rank	#80	#51
Rank in Memory & Knowledge	#6	#1
GitHub stars	32.5k	40.2k
Last updated	2d ago	today
Build provenance	Yes	Yes
OSSF Scorecard	7.0 / 10	6.4 / 10
License	Apache-2.0	AGPL-3.0
Downloads	25k/wk	113k/wk
Trust dimensions (points earned)
Safety / integrity / 25	19.2	20.5
Identity & provenance / 18	18.0	18.0
Transparency / 17	14.4	13.9
Maintenance / 20	19.9	20.0
Adoption / 20	16.7	17.8
Runtime capability surface (full matrix)
MCP server	Implemented	Declared
External providers	9 — Amazon Bedrock, Anthropic, Groq, …	9 — Amazon Bedrock, Anthropic, Firecrawl, …
Requires API keys	Yes	No
Plugin surface	extensions	plugins
Provenance drift	Match	Match

Open in the live compare tool → Cognee profile OpenViking 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 →