ClickHouse vs Aerospike
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.
Aerospike is a real-time NoSQL distributed database built for low-latency, high-throughput workloads; raised $109M in 2024 led by Sumeru Equity Partners with $171M+ total funding; used by major AdTech, fintech, and AI inference platforms.
About
Aerospike is a real-time NoSQL database company founded in 2009 by Brian Bulkowski and Ram Sriram, headquartered in Mountain View, California. The platform is purpose-built for mission-critical, high-throughput applications that require sub-millisecond read/write latency at massive scale. Its hybrid memory architecture blends DRAM and flash (NVMe SSD) storage, enabling petabyte-scale datasets to be queried with consistent single-digit millisecond response times. Key use cases include real-time ad decisioning, fraud detection, recommendation engines, and AI inference pipelines.
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