Cloudflare Vectorize

Store and query high-dimensional vector embeddings at the edge for RAG (Retrieval Augmented Generation), semantic search, and similarity matching.

FIRST: Create Index

# Create with preset (auto-configures dimensions and metric)
wrangler vectorize create my-index --preset @cf/baai/bge-base-en-v1.5

# Or create with explicit dimensions
wrangler vectorize create my-index --dimensions 768 --metric cosine

# List indexes
wrangler vectorize list

Add to wrangler.jsonc: