USearch Open Source Vector Similarity Search

Explore this developer service’s ongoing no-cost allowance, restrictions and official documentation before deploying.

INCLUDED FREE ALLOWANCE

Free Apache-2.0 embedded similarity search and clustering library for vectors; local single-file indexes with C++, Python, JavaScript, Rust and other language bindings, without a vendor-imposed query quota.

View official documentation

Plan details

What do these plan and deployment labels mean?

Plan: Ongoing free allowance
Deployment model: Local / embedded
Credit card: Not required
Commercial use: Allowed
Added to directory (UTC): 2026-10-31
Last checked: 2026-10-31

Important restrictions

This is an embedded library, not free managed search hosting. Your application provides CPU, memory, disk, indexing, backups and any cloud infrastructure; separate embedding models or APIs may cost money. Observe Apache-2.0 notices.

View official documentation

Independent community listing, not affiliated with the provider. Always check the latest billing policy and quotas before enabling paid usage.