Chroma

Chroma is an open-source vector database platform that provides vector, full-text, regex, and metadata search capabilities for AI applications. The platform supports semantic similarity search, lexical search, and filtering, enabling developers to build retrieval-augmented generation (RAG) systems and other AI-powered search applications. Chroma offers dataset versioning, command-line tools, and client libraries, built on object storage with automatic data tiering for cost-effective scaling. The system is designed to integrate seamlessly with popular AI frameworks and large language model ecosystems, providing the data infrastructure layer that enables AI applications to store, search, and retrieve embeddings efficiently. Founded in 2022 and headquartered in San Francisco, Chroma has raised $18 million in seed funding from investors including Quiet Capital, AIX Ventures, Air Street Capital, and ACOF.