Top Free AI Architecture Generators & Tools for Stunning Designs and Floor Plans

 Best Free AI Architecture Generators for Floor Plans, 3D Designs & Building Layouts (2025)

Here are some great free AI architecture generators and tools to help you generate building designs, floor plans, and 3D visualizations efficiently:

Pure AI Architecture Generators

1. Fotor AI Architecture Generator

   • Creates 2D/3D building imagery from text prompts (exteriors, interiors, floor plans).

   • Completely free to use online—visuals can be downloaded after a few clicks 

2. AI Ease (Free AI Architecture Generator)

   • Supports various styles (Victorian, Gothic, modern, etc.) to generate ultra-realistic 2D and 3D mockups.

   • Free account with full download features 

3. Creative Fabrica AI Architecture Generator

   • Web-based tool for quickly generating artistic renderings in diverse architectural styles.

   • No signup required—instant, free downloads 

4. BasedLabs AI Architecture Generator

   • Converts text into detailed architectural sketches/designs, covers exteriors and interiors.

   • Free to try with no login barrier 

5. MockoFUN AI Architecture Rendering

   • Turn hand sketches into polished architectural renders with AI filters.

   • Free tier available with guided tools 

6. a1.art Architecture App

   • Offers 10 free credits on signup and supports both text‑to‑image and image‑to‑image conversions.

   • Good for experimenting with styles or uploading references 

AI-Powered Floor Plan Generators

• Fotor’s AI Floor Plan Generator

  • Generates both 2D and 3D floor plans based on textual prompts (e.g., “4 beds + open kitchen, modern style”).

  • Completely free and outputs visual plans instantly 

• BasedLabs Free AI Floor Plan Generator

  • Input dimensions and preferences to get precise, editable layouts.

  • Suitable for both residential and commercial projects 

• Planner 5D AI Floor Plan Generator

• Automated generation from room dimensions or sketches with quick 2D/3D output.

• Free basic floor recognition, though advanced features may need subscription 

Traditional Free CAD / BIM Tools

• Sweet Home 3D

  • Free desktop app (Windows, macOS, Linux) to create 2D floor plans and visualize them in 3D.

  • Open-source under GPL, supports furniture import & blueprint export 

• FreeCAD

  • Parametric 3D CAD/BIM software with architecture-specific modules.

  • Fully free and open-source, supports modeling of buildings, structures via Arch module 

• SketchUp Free (Web)

• Browser-based 3D modeling ideal for architecture and interior design.

• No-cost version available, though with limited export features, subscription required for advanced tools 

 Recommendations & When to Use

Your Need	Best Free Tool(s)
Quick AI-inspired concepts	Fotor, AI Ease, Creative Fabrica
Rich, stylized architecture art	BasedLabs, MockoFUN, a1.art
2D/3D floor plan generation	Fotor Floor Plan, BasedLabs, Planner 5D
Detailed CAD/BIM modeling	Sweet Home 3D, FreeCAD
General 3D modeling in browser	SketchUp Free

• For text-to-image architectural sketches—go with Fotor or AI Ease.

• If you want floor plans quickly—Fotor Floor Plan or BasedLabs is excellent.

• For a robust free CAD/BIM workflow—use Sweet Home 3D or FreeCAD.

• Prefer working right in your browser or modeling 3D manually? Try SketchUp Free.