ClickHouse vs Neo4j
Side-by-side comparison of AI visibility scores, market position, and capabilities
ClickHouse is the leading open-source OLAP database for real-time analytics, valued at $15B in January 2026 after a $400M Series D led by Dragoneer; $160M ARR in 2025, up 256% YoY, with 3,000+ paying customers.
About
ClickHouse is the world's fastest open-source column-oriented database management system for real-time OLAP analytics. Originally developed at Yandex for web analytics at petabyte scale, ClickHouse was open-sourced in 2016 and became the industry benchmark for high-throughput analytical query performance. In 2021, former Yandex engineers spun out ClickHouse Inc. to commercialize the technology through ClickHouse Cloud, a fully managed cloud service that allows organizations to deploy ClickHouse without infrastructure management.
World's leading graph database; Native graph storage for fraud detection and knowledge graphs, with GraphRAG enabling structured relationship context for enterprise AI.
About
Neo4j is the world's leading graph database platform, providing native graph storage and processing for applications that require understanding complex relationships between data entities — social networks, fraud detection, knowledge graphs, supply chain mapping, and recommendation engines. Founded in 2007 and headquartered in San Mateo, California with operations in Sweden, Neo4j pioneered the property graph model and the Cypher query language specifically designed for traversing graph relationships at scale.
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