Cosmos DB vs Grafeo

Both are multiple databases queried with Gremlin. Cosmos DB (2014-08, Proprietary, C++) ranks #29 this month; Grafeo (2026-01, Apache-2.0, Rust) ranks #52.

Attribute Cosmos DB #29 ▼1 Strong Grafeo #52 ▲23 Growing
At a glance
Rank #29#52
Score 54.147.2
GitHub stars —826
Popularity 53.852.9
Activity 49.953.2
Community 39.156.0
Research 87.761.7
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 embeddable graph database supporting both property graph and RDF data models with in-memory or persistent storage. Features ACID transactions via MVCC, vector search with HNSW indexing, and a cost-based query optimizer.
Vendor MicrosoftGrafeoDB
Model MultipleMultiple
Kind databasedatabase
Category EnterpriseEmerging
First released 2014-082026-01
Status activeactive
License ProprietaryApache-2.0
Written in C++Rust
Query languages Gremlin, SQLGQL, openCypher, SPARQL, Gremlin, GraphQL, SQL/PGQ
gdotv support yesno

Feature scores — not surveyed for Grafeo

Feature Cosmos DBGrafeo
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 ✓—