OpenMetadata vs VAST Data
Side-by-side comparison of AI visibility scores, market position, and capabilities
OpenMetadata is an open-source metadata management and data catalog platform providing discovery, governance, lineage, and data quality across the modern data stack.
About
OpenMetadata is an open-source metadata management platform that provides data catalog, data discovery, data lineage, data quality, and data governance capabilities through a single unified metadata store, designed to serve as the central metadata layer for the modern data stack across cloud data warehouses, ETL pipelines, BI tools, ML platforms, and operational databases. The platform's architecture is built on a metadata API layer that aggregates metadata from connected data sources into a centralized repository with a standardized schema, enabling search and discovery across the full data environment without requiring each tool to be queried separately. OpenMetadata's open-source foundation means that organizations can deploy the platform without vendor licensing costs and can extend or customize the platform for specific use cases by contributing to or forking the codebase — an important consideration for data engineering teams that need to adapt catalog functionality to match their specific data stack configuration.
Closed a $1 billion Series F at a $30 billion valuation in April 2026, backed by NVIDIA and Fidelity, after surpassing $500M in committed ARR with its AI Operating System platform.
About
VAST Data builds the AI Operating System — a unified platform combining all-flash storage (DataStore), an AI-native database (DataBase), and a globally distributed namespace (DataSpace) into a single infrastructure stack. The platform is purpose-built for organizations training, running, and managing AI models and agents at scale. In 2026, VAST launched AgentEngine, a production-grade deployment layer for multi-agent AI stacks with full auditability and MCP integration.
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