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GSAP vs Motion One
GSAP vs Motion One: power vs lightweight web animation
GSAP is the full-featured timeline powerhouse. Motion One is a tiny library built on the native Web Animations API. Here's the trade between capability and size.
Updated November 2026 · Written by Shaheer Malik, who ships in both
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Motion One is a tiny web-animation library built on the native Web Animations API — ideal when bundle size and performance matter and the motion is fairly simple. GSAP is the full-featured engine with best-in-class timelines, scroll tooling and plugins. Choose Motion One to stay lean; choose GSAP when you need complex sequencing or scroll-driven animation.
Motion One (from the maker of Framer Motion, at motion.dev) is a lightweight animation library built on the browser's native Web Animations API, so it stays tiny and hardware-accelerated. GSAP is the mature, full-featured engine with timelines, plugins and unmatched scroll tooling.
The decision is essentially capability vs bundle size — and, since GSAP went free in 2025, no longer about cost.
| Dimension |  GSAP |  Motion One |
|---|---|---|
| Bundle size | Larger (full engine) | Tiny (a few KB) |
| Underlying tech | Custom engine | Native Web Animations API |
| Timelines & sequencing | Best-in-class | Basic |
| Scroll animation | ScrollTrigger — deep | Scroll support, simpler |
| Plugins & ecosystem | Huge | Minimal by design |
| Performance (simple anims) | Excellent | Excellent, hardware-accelerated |
| Best for | Complex, scroll-heavy work | Lean sites, simple UI motion |
Choose GSAP if…
- You need complex timelines or scroll storytelling
- You'll use plugins (SplitText, MorphSVG, etc.)
- Capability matters more than a few KB
- You want one tool for everything animation
Choose Motion One if…
- Bundle size and performance budget are tight
- Your animations are mostly simple UI transitions
- You want a modern API on native browser tech
- You don't need timelines or heavy plugins
The honest verdict
Motion One is the right call when you want modern, performant animation with the smallest possible footprint — lean marketing sites and simple UI motion where every kilobyte counts. Built on the Web Animations API, it's fast and future-friendly.
GSAP wins the moment you need real timelines, scrubbed scroll sequences or its plugin ecosystem. Now that it's free, there's no cost reason to avoid it; choose Motion One for lightness, GSAP for power.
Common questions
GSAP vs Motion One, answered
Yes, significantly — Motion One is only a few kilobytes because it leans on the browser's native Web Animations API, while GSAP ships a full custom engine. For tight performance budgets, Motion One is the lighter choice.
Basic sequencing, yes, but nothing like GSAP's timeline system. For complex, precisely orchestrated sequences, GSAP is far more capable.
Motion One and Framer Motion share an author and now live together under the Motion brand at motion.dev. GSAP is a separate, long-established library (Webflow-owned, fully free since 2025).
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