20+ Best Alternatives to Spacely AI in 2026

Looking for an alternative to Spacely AI? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.

1. 1

   Leo AI

   💰 $9.7M

   The first generative AI copilot built for mechanical engineering and CAD

   Why it's similar: Shares categories with Spacely AI — 3D Generation, AI Design.

   💵 Free

   View alternative →
2. 2

   Adam

   💰 $4.1M

   Text-to-3D that's growing into an AI copilot for CAD workflows

   Why it's similar: Shares categories with Spacely AI — 3D Generation, AI Design.

   💵 Free

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3. 3

   Hestus

   💰 $1.5M

   An AI copilot that automates the most tedious parts of CAD

   Why it's similar: Shares categories with Spacely AI — 3D Generation, AI Design.

   💵 Free

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4. 4

   SketchPro

   💰 $4.5M

   An AI documentation copilot embedded inside architects' Revit workflows

   Why it's similar: Shares categories with Spacely AI — 3D Generation, AI Design.

   💵 Free

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5. 5

   Sloyd

   💰 $3.3M

   AI 3D model generation with parametric control for game makers

   Why it's similar: Shares categories with Spacely AI — 3D Generation, AI Design.

   💵 Free

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6. 6

   Meshy

   💰 $52M

   AI 3D model generator for game dev and creators

   Why it's similar: Shares categories with Spacely AI — 3D Generation, AI Design.

   💵 Free · From $20/mo

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7. 7

   Spline

   💰 Undisclosed

   Design and collaborate in 3D directly in your browser with real-time capabilities.

   Why it's similar: Shares categories with Spacely AI — 3D Generation, AI Design.

   💵 Free · From $7/mo

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8. 8

   Tripo

   💰 Undisclosed

   Generate production-ready 3D models from text, images, or sketches in seconds with AI-powered tools.

   Why it's similar: Shares categories with Spacely AI — 3D Generation, AI Design.

   💵 Free · From $11.94/mo

   View alternative →
9. 9

   Hyper3D

   💰 Undisclosed

   Instantly create stunning 3D assets, models, and objects with AI-powered design tools.

   Why it's similar: Shares categories with Spacely AI — 3D Generation, AI Design.

   💵 Free

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10. 10

    Miro

    💰 $476M

    AI-powered visual collaboration and online whiteboard platform for distributed teams

    Why it's similar: Shares categories with Spacely AI — AI Design.

    💵 Free · From $8/mo

    View alternative →
11. 11

    Webflow

    💰 $336M

    Visual no-code website builder with AI for design, content, and optimization

    Why it's similar: Shares categories with Spacely AI — AI Design.

    💵 Free · From $14/mo

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12. 12

    Neural Concept

    💰 $127M

    Swiss CAD-native AI platform that brings deep-learning surrogate models and generative design

    Why it's similar: Shares categories with Spacely AI — AI Design.

    💵 Free

    View alternative →
13. 13

    Lovable

    💰 $542M

    The AI Fullstack Engineer that ships full-stack applications 20x faster than writing code

    Why it's similar: Shares categories with Spacely AI — AI Design.

    💵 Free · From $25/mo

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14. 14

    Builder.io

    💰 $62M

    Visual AI platform: design-to-code, AI app building and an agentic CMS

    Why it's similar: Shares categories with Spacely AI — AI Design.

    💵 Free

    View alternative →
15. 15

    Quilter

    💰 $35M

    Physics-driven AI platform that fully automates printed circuit board (PCB) layout

    Why it's similar: Shares categories with Spacely AI — AI Design.

    💵 Free

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16. 16

    Krikey AI

    💰 $22M

    Text-to-3D-animation platform turning prompts and photos into animated avatar videos

    Why it's similar: Shares categories with Spacely AI — 3D Generation.

    💵 Free · From $15/mo

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17. 17

    Tripo AI

    💰 $50M

    3D generation platform that turns text and images into production-ready 3D assets in seconds

    Why it's similar: Shares categories with Spacely AI — 3D Generation.

    💵 Free

    View alternative →
18. 18

    ChipAgents

    💰 $21M

    ChipAgents, built by Alpha Design AI, is an agentic AI platform for semiconductor design and

    Why it's similar: Shares categories with Spacely AI — AI Design.

    💵 Free

    View alternative →
19. 19

    Capsule

    💰 $19M

    AI video editor that lets any team create on-brand videos at scale

    Why it's similar: Shares categories with Spacely AI — AI Design.

    💵 Enterprise · Contact sales

    View alternative →
20. 20

    Napkin

    💰 $10M

    Turn any text into presentation-ready diagrams and infographics instantly

    Why it's similar: Shares categories with Spacely AI — AI Design.

    💵 Free

    View alternative →