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Report

Should I Use Babylonjs?

babylonjs.com·Analyzed 18 hours ago··Based on 9 sources

Depends

Depends

Use it if you're building serious browser-based 3D — configurators, digital twins, WebXR — with JavaScript or TypeScript developers.

Free open-source web 3D engine; superb for complex browser apps, heavy for simple scenes — Three.js is the lighter rival.

Confidence: Medium

$0

Price

Open source, Apache 2.0

192

Companies using

Per Theirstack data

v9.0

Latest release

Announced Mar 2026

Value for money5

Free, full-featured engine

Ease of use3

Powerful but heavier than rivals

Feature depth5

WebXR to native, very complete

Support quality4

Active forum, no paid SLA

Security posture3

Medium vuln disclosed, actively patched

Pros

  • Completely free and open-source under Apache license²
  • Deep features: WebXR, native apps, GUI, physics, node editor¹
  • Proven at scale — teams report serving millions of users³
  • Very active community forum answering questions daily³
  • Strong backwards-compatibility record across major versions⁹

Cons

  • Heavier bundles and tooling than
  • Medium vulnerability in @babylonjs/gui package (2025)⁶
  • Open-source project, not a vendor — no SLAs or paid support
  • Recurring community doubts about long-term direction ('dead end?' threads)

Gotchas

  • mediumBundle size bites: payload weight is a recurring complaint; tree-shake and lazy-load or pay in load times³
  • mediumKnown medium-severity vulnerability in @babylonjs/gui (AIKIDO-2025-10497); keep packages updated⁶
  • mediumCSP conflicts: KTX2 decoder and loadFile throw errors under strict content-security policies
  • lowLarge codebase slows IDE syntax tooling and autocomplete in big projects

Best for

  • Browser-based 3D configurators
  • Digital twins and IoT
  • WebXR experiences
  • TypeScript-heavy web game teams

Not for

  • Simple one-scene product viewers
  • Mobile or console-first game studios
  • Anyone needing vendor SLAs or paid support
  • No-code and low-code teams

Companies that use it

  • Frame
  • Combeenation
  • GMI Software

Pricing

Open source

$0

  • Full engine under Apache 2.0
  • All features included; no paid tiers

Security

One medium-severity npm vulnerability disclosed in 2025; core is actively maintained and patched.

  • @babylonjs/gui Medium Vulnerability (AIKIDO-2025-10497)Medium-severity vulnerability in the @babylonjs/gui npm package disclosed July 2025.⁶

What users say

Users praise its power and active community but frequently note it is heavier than Three.js for simpler projects.

“BabylonJS can be heavier”
— Reddit, r/gamedev

Alternatives

Compare Babylonjs with each alternative.

Full analysis

Based on ~20 public sources: forums, Reddit, security advisories, and comparison articles.

Sources

  1. Babylon.js official sitebabylonjs.com
    official
  2. Babylon.js license (Apache)github.com
    official
  3. Babylon.js bundle size forum threadforum.babylonjs.com
    review
  4. Reddit: Babylon.js vs Three.jsreddit.com
    review
  5. Babylon.js vs Three.js technical comparisondev.to
    review
  6. @babylonjs/gui vulnerability advisoryintel.aikido.dev
    security
  7. Snyk: babylonjs package securitysecurity.snyk.io
    security
  8. Theirstack: 192 companies using BabylonJStheirstack.com
    news
  9. Backwards compatibility in Babylon.jsbabylonjs.medium.com
    official

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