Seed · Data & Analytics · London, United Kingdom · Founded 2025 · 5–6 employees
HelixDB is building a unified graph-vector database built from scratch in Rust, designed specifically for AI applications, RAG systems, and AI agents. The company combines graph and vector data types in a single platform to eliminate the complexity of managing multiple databases for AI retrieval. Founded in 2025, they're part of Y Combinator Spring 2025 batch and have already reached $550K in revenue by September 2025. Their open-source approach and focus on type-safe queries with millisecond latency positions them well in the rapidly growing AI infrastructure market.
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