Weaviate is an open-source vector database supporting similarity search, hybrid search, and AI-native integration, developed by Dutch company SeMI Technologies, suitable for AI applications such as RAG and semantic retrieval.
Founded by SeMI Technologies in 2019 and headquartered in Amsterdam, Netherlands, Weaviate is a CNCF open-source vector database with native hybrid search, modular AI integration and GraphQL queries, a popular foundation for RAG apps and semantic search.
Pinecone is a fully managed vector database provider founded in 2019 in San Francisco by Edo Liberty, built for RAG, semantic search and recommendation systems. Its serverless architecture bills by usage and serves 1B+ vectors in milliseconds.
LangChain is an open-source LLM application framework founded by Harrison Chase in 2022. LangChain, LangSmith, LangGraph and LangServe form an end-to-end toolchain from prototype to production, with 100k+ GitHub stars.
Jina AI is an open-source AI company founded in 2020, providing Jina Embeddings, Reranker and Reader as a complete open-source infrastructure for RAG and multimodal search, with free-tier and pay-as-you-go cloud APIs.
Cohere is the enterprise LLM platform founded by Aidan Gomez and colleagues in Toronto in 2019, with Command RAG models and Embed models covering 100+ languages and support for VPC and on-premises deployment.