A dense vector representation of text (or image/audio) that captures semantic meaning. Similar meanings sit close together in vector space.
retrieval
Embedding
Related terms
Tools that implement Embedding
WE
Weaviate
RAG · Hosted vector DB (not an LLM)
8.4
Open-source vector DB with hybrid search and modules.
Freemium· Free tier · from $45/moself-hosted RAGhybrid search
CH
Chroma
RAG · Hosted vector DB (not an LLM)
8.1
Open-source search infrastructure for AI
Freemium· Starter: $0 /month + usage; Team: $250 /month + usageVector, full-text, regex, and metadata searchDataset versioning, A/B testing, and roll-outs
PI
Pinecone
FeaturedRAG · Hosted vector DB (not an LLM)
8.8
Managed vector database for production-scale similarity search.
Freemium· Starter: Free · Builder: $20/month flat · Standard: $50/month min. usage · Enterprise: $500/month min. usagemanaged vector DBproduction RAG