VAST Data vs ArangoDB
Side-by-side comparison of AI visibility scores, market position, and capabilities
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.
Open-source multi-model database combining graph, document, and key-value in one engine; gaining traction for AI knowledge graph and RAG applications with new vector search capabilities.
About
ArangoDB is an open-source multi-model database supporting graph, document, and key-value data models in a single database engine, reducing the complexity of managing multiple specialized databases for applications that need different data model capabilities. Founded in 2014 in Cologne, Germany (with US headquarters in San Francisco) and having raised approximately $100 million, ArangoDB serves developers and enterprises that need graph database capabilities for relationship-heavy data (social networks, knowledge graphs, fraud detection) alongside document storage for unstructured data.
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