Pinecone specializes in vector databases for artificial intelligence applications within the technology sector. The company offers a serverless vector database that enables low-latency search and management of vector embeddings for a variety of AI-driven applications. Pinecone's solutions cater to businesses that require scalable and efficient data retrieval capabilities for applications such as recommendation systems, anomaly detection, and semantic search. Pinecone was formerly known as HyperCube. It was founded in 2019 and is based in New York, New York.

ApertureData operates within the data management infrastructure domains. The company's offerings include a database for multimodal AI that integrates vector search and knowledge graph capabilities for AI application development and data management. ApertureData serves sectors that require AI applications, including generative AI, recommendation systems, and visual data analytics. It was founded in 2018 and is based in Los Gatos, California.

Weaviate is a company that develops artificial intelligence (AI)-native databases within the technology sector. The company provides a cloud-native, open-source vector database to support AI applications. Weaviate's offerings include vector similarity search, hybrid search, and tools for retrieval-augmented generation and feedback loops. Weaviate was formerly known as SeMi Technologies. It was founded in 2019 and is based in Amsterdam, Netherlands.

Hyperspace is a technology company that operates in the cloud-native database and search technology sectors. The company offers an elastic compatible search database that integrates vector and lexical search capabilities. Hyperspace serves sectors that require search solutions, such as e-commerce, fraud detection, and recommendation systems. It was founded in 2021 and is based in Tel Aviv, Israel.

LanceDB operates as a serverless vector database for artificial intelligence (AI) applications. The company builds applications for generative artificial intelligence (AI), recsys, search engines, content moderation, and more. It was founded in 2022 and is based in San Francisco, California.

Vespa specializes in data processing and search solutions within the AI and big data sectors. The company offers an open-source search engine and vector database that enables querying, organizing, and inferring over large-scale structured, text, and vector data with low latency. Vespa primarily serves sectors that require scalable search solutions, personalized recommendation systems, and semi-structured data navigation, such as e-commerce and online services. It was founded in 2023 and is based in Trondheim, Norway.