# QBit

> ClickHouse column type for query-time vector precision tuning in hybrid analytical SQL+vector searches. Enables flexible recall/speed tradeoff with ACID-like features on columnar relational infra.

- **URL:** https://clickhouse.com/blog/qbit-vector-search
- **Category:** Relational Vector Extensions
- **Tags:** Sql Hybrid, clickhouse-ext, Quantization
- **Updated:** 2026-04-23 01:18
- **Canonical page:** https://vectordb.ever.works/th/items/qbit

## Details

## Overview

Bit-plane storage for dynamic precision.

## Features

- Query-time bit precision
- SIMD untransposition

## Use Cases

- Analytics + vector

## Comparisons

O(n) flexible vs indexed VDBs.

## Pricing

Free OSS.

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