Comparison

React vs Svelte

No clear leader: Svelte (76.5) and React (74.6) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
React75
Svelte77
Score
vioscaleAI score
React75 / 100medium · 71%
Svelte77 / 100medium · 71%
Pricing
Free tier
React–
Svelte✓
Model
Price level
Reactfree
Sveltefree
Transparent
React–
Svelte✓
Adoption
Dependent repos
React48,726
Svelte56,439
Github stars
React251,063
Svelte88,371
Package downloads weekly
Stackoverflow questions
React470,000
Svelte9,000
Activity
Commits last 30d
React32
Svelte100
Release
Cadence days
React60
Svelte4
History
Svelte20 items
License
Spdx
ReactMIT
SvelteMIT
Language
Primary
Content
Faq
React7 items
Svelte8 items

Capabilities

Feature-by-feature on the axes that matter for frontend ui frameworks. “-” means undocumented, not absent.

Core
Paradigm
ReactComponent-based library
Sveltecompiler-based component framework
Reusable component model
React✓
Svelte✓
Rendering
Virtual DOM
React-
Svelte✗
Signals / fine-grained reactivity
React-
Svelte✓
SSR support
React✓
Svelte✓
DX
First-class TypeScript
React-
Svelte✗
State
Built-in state management
React-
Svelte✓
Ecosystem
Official router
React✗
Svelte-
Performance
Runtime size
React-
SvelteSmall (10–40kb)

What each one is

The product in its own terms, so the numbers below have context.

React

A library that enables developers to construct user interfaces using individual components as building blocks. React components are JavaScript functions that receive data and render the appropriate output, supporting both web applications and native mobile development through frameworks.

Independently observed

Svelte

Svelte is a UI framework that compiles components written in standard web technologies into lightweight JavaScript. By moving compilation to build time, it enables developers to write less code while producing performant applications.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

React

Open source
as of verify ↗

Svelte

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
React✓
Svelte✓
iOS
React✓
Svelte✗
Android
React✓
Svelte✗
CLI
React✗
Svelte✓
Still deciding?

React or Svelte: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.