Aiven vs Hammerspace
Side-by-side comparison of AI visibility scores, market position, and capabilities
Cloud-agnostic managed open-source data platform for Kafka, PostgreSQL, OpenSearch, and more; raised $210M in Mar 2026 ($421M total); $3B valuation; headquartered in Helsinki with 440+ employees serving global enterprise.
About
Aiven is a Helsinki, Finland-based cloud data platform company founded in 2016 that provides fully managed open-source data services across all major cloud providers — AWS, Google Cloud, and Microsoft Azure — as well as hybrid and on-premises deployments. The company''s platform lets engineering teams deploy, manage, and scale battle-tested open-source data technologies including Apache Kafka (streaming), PostgreSQL (relational database), ClickHouse (real-time analytics), OpenSearch (search and observability), Redis, Cassandra, and Flink — without the operational overhead of running these systems themselves. Aiven handles provisioning, patching, backups, monitoring, scaling, and security, enabling teams to focus on application development rather than infrastructure management.
Hammerspace raised $100M Series B at a $500M+ valuation in April 2025, led by Altimeter Capital, to scale its global data orchestration platform used by Meta, the DoD, and Los Alamos National Laboratory for AI and HPC workloads.
About
Hammerspace is a data orchestration company that unifies unstructured data across edge devices, on-premises data centers, and cloud platforms through a single global namespace. Its platform enables seamless, policy-driven data access and movement across heterogeneous storage environments without requiring data migration or storage silos. The system supports multiple protocols including NFS, SMB, and S3, and provides a unified view of distributed datasets regardless of where they physically reside.
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