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Kepler-442 vs Onshape

Kepler-442 and Onshape both run fully in the browser, but Kepler-442 is AI-native — generating editable 3D from text, simulating automatically, and sourcing factories — while Onshape focuses on cloud-based collaborative parametric CAD.

Onshape pioneered serious browser-based, cloud-collaborative parametric CAD. Kepler-442 shares the no-install advantage but layers on AI generation, continuous physics testing, and a manufacturing marketplace, targeting founders who want to ship a product rather than master CAD.

CapabilityKepler-442Onshape
Browser-basedYesYes
AI text-to-3DNativeNo
Real-time collaborationYesYes (core strength)
Automatic simulationYes, on every saveLimited
Supplier marketplaceBuilt inNo
Target userFounders & designersEngineering teams

Choose Kepler-442 when

  • You want AI to do the first 80% of the modelling.
  • You need sourcing and cost data alongside the design.
  • You value speed from idea to manufacturable output.

Onshape may fit better when

  • Collaborative parametric version control is your priority.
  • Your team needs granular feature-history editing.

Frequently asked questions

What is the difference between Kepler-442 and Onshape?

Both are browser-based CAD platforms, but Kepler-442 is AI-native: it generates editable 3D geometry from text, runs automatic physics simulation, and includes a verified supplier marketplace, whereas Onshape centres on cloud-based collaborative parametric modeling.

See it for yourself

Join the waitlist for free early access to Kepler-442 — the AI-native hardware design platform.

Join the waitlist