Cosmos DB vs RyuGraph

Cosmos DB is a multiple database; RyuGraph is a property graph database. Cosmos DB (2014-08, Proprietary, C++) ranks #29 this month; RyuGraph (2025-10, MIT, C++) ranks #95.

Attribute Cosmos DB #29 ▼1 Strong RyuGraph #95 ▼3 Growing
At a glance
Rank #29#95
Score 54.138.2
GitHub stars —148
Popularity 53.839.2
Activity 49.938.0
Community 39.130.3
Research 87.750.0
Fundamentals
Description A globally distributed multi-model database service on Microsoft Azure with property graph support through the Apache Gremlin API. Offers multi-region replication and multiple consistency models.An embedded property graph database forked from Kuzu. Features columnar storage, ACID transactions, full-text search, and vector indices, targeting knowledge and context management for AI agents.
Vendor MicrosoftPredictable Labs
Model MultipleProperty Graph
Kind databasedatabase
Category EnterpriseEmerging
First released 2014-082025-10
Status activeactive
License ProprietaryMIT
Written in C++C++
Query languages Gremlin, SQLopenCypher
gdotv support yesyes

Feature scores — not surveyed for RyuGraph

Feature Cosmos DBRyuGraph
Community & Business
Active development ✓—
Commercial support ✓—
Live community 0.5—
Open Source ·—
Pricing ✓—
Trendiness ✓—
Deployment
Containerization 0.5—
Work as dedicated instance ✓—
Work as embedded ·—
Testing in-memory version ✓—
Platform
Operating on Linux ·—
Operating on Windows ✓—
SaaS offering ✓—
Operations
Automatic updates ✓—
Client side caching ·—
Data versioning support ·—
Live backups ✓—
Distribution
Cluster Re-balancing 0.5—
Data Distribution ✓—
High-Availability ✓—
Query Distribution ✓—
Replication support ✓—
Developer Experience
Data types defined ·—
Logging/Auditing ✓—
Object-Graph Mapper ✓—
Reactive programming ✓—
Documentation up-to-date ✓—
Binary protocol ·—
CLI ✓—
GUI ✓—
Data Model
Multi-database ✓—
Graph-native data ·—
REST API ✓—
Query Language ✓—
Transactions
Granular locking ·—
Multiple isolation levels ✓—
Read committed transaction ✓—
Transaction support 0.5—
Schema & Security
Constraints ·—
Schema support ·—
Secondary indexes ✓—
Server side procedures ✓—
Triggers ✓—
Authentication ✓—
Authorization ✓—
Data encryption ✓—