Zustand vs Query

Zustand and Query are both popular library tools. This page compares their internal architecture, technology stack, data flow patterns, and system behavior — based on automated structural analysis of their source code. They share 3 technologies including typescript, vitest, eslint.

pmndrs/zustand

57,394
Stars
TypeScript
Language
10
Components
1.5
Connectivity

tanstack/query

48,834
Stars
TypeScript
Language
10
Components
1.9
Connectivity

Technology Stack

Shared Technologies

typescript vitest eslint

Only in Zustand

react rollup three.js

Only in Query

nx changesets rollup/tsup pnpm

Architecture Layers

Zustand (4 layers)

Vanilla Core
Core store implementation with subscribe/setState API
React Bindings
React hooks and context integration
Middleware
Extensions for persistence, devtools, subscriptions
Examples
Demo applications and starter templates

Query (5 layers)

Core Engine
Framework-agnostic query and mutation management logic
Framework Adapters
React, Vue, Solid, Svelte, and Angular specific implementations
Developer Tools
Framework-specific devtools for debugging queries
Persistence Layer
Storage adapters for persisting query cache
Examples & Integrations
Working examples and build tool integrations

Data Flow

Zustand (4 stages)

  1. Store Creation
  2. State Selection
  3. State Updates
  4. Re-rendering

Query (5 stages)

  1. Query Trigger
  2. Cache Check
  3. Data Fetch
  4. Cache Update
  5. UI Update

Code Patterns

Unique to Zustand

store mutators selector pattern immutable updates middleware composition

Unique to Query

observer pattern adapter pattern factory pattern singleton pattern strategy pattern

When to Choose

Choose Zustand when you need

  • Unique tech: react, rollup, three.js
  • Loosely coupled, more modular
View full analysis →

Choose Query when you need

  • Unique tech: nx, changesets, rollup/tsup
  • Tighter integration between components
View full analysis →

Frequently Asked Questions

What are the main differences between Zustand and Query?

Zustand has 10 components with a connectivity ratio of 1.5, while Query has 10 components with a ratio of 1.9. They share 3 technologies but differ in 7 others.

Should I use Zustand or Query?

Choose Zustand if you need: Unique tech: react, rollup, three.js; Loosely coupled, more modular. Choose Query if you need: Unique tech: nx, changesets, rollup/tsup; Tighter integration between components.

How does the architecture of Zustand compare to Query?

Zustand is organized into 4 architecture layers with a 4-stage data pipeline. Query has 5 layers with a 5-stage pipeline.

What technology does Zustand use that Query doesn't?

Zustand uniquely uses: react, rollup, three.js. Query uniquely uses: nx, changesets, rollup/tsup, pnpm.

Explore the interactive analysis

See the full architecture maps, code patterns, and dependency graphs.

Zustand Query

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Compared on March 16, 2026 by CodeSea. Written by .