TanStack Query vs TanStack Router
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A library for fetching, caching, and updating data from servers in web apps.
Open source · MIT
A type-safe router for React and other web UIs, with an optional full-stack framework built on it.
The short answer
Choose TanStack Query if you need…
- Frontend developers building apps that load data from a server
- Teams using React, Solid, Svelte, or Vue who want less hand-written loading and caching code
- Apps that need pagination, infinite scroll, or background refresh of data
Choose TanStack Router if you need…
- React developers who want type-checked routes and URL parameters
- Teams building single-page apps that need schema-validated search params
- Developers who want to add server rendering later via TanStack Start
Side-by-side
| TanStack Query | TanStack Router | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 50.5k | 15.3k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | Install with a package manager | Install with a package manager |
| Main language | TypeScript | TypeScript |
| Last code update | 4 days ago | 4 days ago |
What each one is
TanStack Query
TanStack Query is an open-source library for managing server data in web apps. It handles fetching data from an API, caching the results, keeping them in sync, and updating them after changes. The README says it works with REST, GraphQL, or any promise-based fetching, and it has versions for React, Solid, Svelte, and Vue.
TanStack Router
TanStack Router is a routing library for web apps that aims to make navigation, URL parameters, and search parameters type-safe, so mistakes are caught by TypeScript. It also includes built-in caching, prefetching, nested layouts, and error boundaries. TanStack Start is a separate full-stack framework built on Router that adds server rendering and streaming, according to the README.
Best for
TanStack Query
- Frontend developers building apps that load data from a server
- Teams using React, Solid, Svelte, or Vue who want less hand-written loading and caching code
- Apps that need pagination, infinite scroll, or background refresh of data
TanStack Router
- React developers who want type-checked routes and URL parameters
- Teams building single-page apps that need schema-validated search params
- Developers who want to add server rendering later via TanStack Start
Strengths
TanStack Query
- Covers fetching, caching, refetching, and mutations in one library
- Works with multiple frameworks and any promise-based or GraphQL data source
- Large community: about 50,000 GitHub stars and an MIT license
TanStack Router
- Strong end-to-end type safety for routes, params, and loaders, per the README
- Schema-driven search params with validation
- Open source under the MIT license with an active project and a documented site
Not ideal for
TanStack Query
- People who only need a simple static site with no server data (the library adds complexity without benefit)
- Non-developers looking for a ready-made app (this is a code library, not an end-user tool)
TanStack Router
- Non-developers, since it is a code library rather than an end-user tool
- Projects not using TypeScript or JavaScript, since the README centers on those languages
- Those who want a minimal router without a larger ecosystem, as the README pitches a family of related TanStack packages
Trade-offs
TanStack Query
- Requires learning its concepts (queries, mutations, cache keys) before it is productive
- The README is truncated here, so detailed setup and API behavior are not covered in this entry
TanStack Router
- The README is truncated and gives few concrete setup details, so the full learning curve is unclear from it
- Start, the full-stack part, is a separate layer whose maturity this README does not detail
- Relies on the TypeScript ecosystem, which adds setup for those not already using it
Getting started
TanStack Query
Clone the repository
git clone https://github.com/TanStack/queryTanStack Router
Clone the repository
git clone https://github.com/TanStack/routerFrequently asked questions
What is the difference between TanStack Query and TanStack Router?
TanStack Query: A library for fetching, caching, and updating data from servers in web apps. TanStack Router: A type-safe router for React and other web UIs, with an optional full-stack framework built on it. TanStack Query suits frontend developers building apps that load data from a server, while TanStack Router suits react developers who want type-checked routes and url parameters.
Are TanStack Query and TanStack Router free?
TanStack Query: Free and open source. TanStack Router: Free and open source.
Is TanStack Query or TanStack Router more popular?
TanStack Query has more GitHub stars (50.5k) than TanStack Router (15.3k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to TanStack Query and TanStack Router?
Other options people compare them with include SWR, Apollo Client, ky, why-did-you-render, react-loadable.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.