Paid Beta Phase-I: the current seats are full, and we add more every day. Join the waiting list
CharretteAI design partner for SketchUp

The last line is yours.

Charrette is an AI partner for people who design land and buildings. It works beside you in your open SketchUp model. It proposes, you push back, it draws it again. Nothing is done until you say it’s done.

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One photo and a conversation. The Dancing House in Prague, built in SketchUp. Sped up. Photo: Danny Alexander Lettkemann, CC BY-SA 4.0.
The Dancing House in Prague, photographed from the street
Dancing House (Tančící dům), PragueArchitects Vlado Milunić and Frank Gehry, completed 1996Photo: Danny Alexander Lettkemann, Architekt, 8 April 2023. CC BY-SA 4.0, resized.
One site, start to finish

Start with a sketch, a prompt or an image.
Get a first pass in minutes, then make it yours.

Hand sketch of a park with courts, fields and parking
Hand sketchOr a prompt, or an image

Charrette draws a first pass

SketchUp model of the same park, built by Charrette from the sketch
First pass, in SketchUpGroups, tags and components. Now you push back.

Model terrain, architecture and everything else

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Featured

Model from pictures, plans and CAD

Give Charrette a rendering, a photo, a hand sketch, a floor plan or a CAD file and tell it what to build. It starts with massing, then works up through walls, roofs, openings and materials, checking its own work in the viewport as it goes. You see each pass and decide what stays.

  • Any number of pictures in one request
  • CAD comes in as a locked reference
  • Point clouds and PDFs too
Built with Charrette: Belvedere Castle in the park
Featured

Talk to it. Fix what you have.

Most of the time you are not starting from nothing. Open the model you are working on and say what you need, the way you would brief someone across the studio. When the brief is open, it asks. When it has to assume, it says so.

Add the vegetation in the photo to the existing castle model.Fix the parking lot in front of the school.This tree is 11 million faces. Reduce it to 500k and keep the look.
Built with Charrette: Paley Park, detailed
Featured

Five levels, and it stops where you say

Pick a level for a site, a building, an interior or an object: Massing, Parts, Character, Fittings or Craft. Each level has a checklist, and Charrette works through it, then stops for you. Massing is clean volumes. Craft is hardware, trim and joints.

  • Set the level for the whole model or one selected group
  • Charrette writes a plan and ticks it off as it builds
Featured

Real SketchUp, organized the way you would

Not a mesh and not a picture. Charrette draws native faces and edges, puts everything in groups and named components, and assigns tags. Windows and doors are components that cut their own openings, placed as copies so one edit changes them all.

  • Nothing loose at the top level of the model
  • Repeated parts are component copies
  • Dimensions in your units
Featured

One model. Three concepts. You choose.

Hand drawn plaza plan, concept 1, with staggered dining terraces
Concept 1Staggered dining terraces
Hand drawn plaza plan, concept 2, with a formal rectangular layout
Concept 2Formal rectangular layout
Hand drawn plaza plan, concept 3, with curved planting and seating
Concept 3Curved planting and seating
Charrette building a row of homes, one step at a time
Capture 1 of 142
Featured

Every step, on the record

Charrette captures the view after each step and keeps the whole run with your project. Scrub back through a build, see what it did and why, and export the run as a PDF or an animated GIF for a client or a class.

  • One Undo per step
  • Never saves over your file
  • Export the build as PDF or GIF
Built with Charrette: Site furnishing details
Beta

From model to drawing sheets

Charrette can also draft. It produces layered site plans for AutoCAD and construction details with dimensions and notes, for you to review and mark up like any first draft.

  • Site plans on named layers, with reusable blocks
  • Details with dimensions, notes and a material legend
  • Review drawings, not for construction. The stamp is still yours.
Also inside

More than image to model

It says what it didn’t check

It tells you what it measured and what it didn’t. Culverts, structure and loads are yours and your engineer’s.

Trees worth placing

Named, low-polygon trees built to look right and stay light. Charrette can also slim down a heavy tree you already have.

Components, found and cleaned

Charrette searches your own component libraries, compares what it finds with your reference, places it and cleans it up.

Site research built in

Give a place name or a location file. Charrette surveys streets, building footprints and terrain from open map data before it builds.

Drawing sets to AutoCAD BETA

Charrette measures the model and redrafts clean 2D sheets to a drafting standard, saved as DXF.

One project per model

Pictures, research, chat and every run are kept with the model and come back when you reopen it.

Gallery

Modeled with Charrette, in SketchUp

Every picture is a SketchUp or AutoCAD capture, not a render.

Built with Charrette: Central Park from above
Central Park from aboveLakes, paths, tree cover and street grid
Built with Charrette: Piazza del Campo, facades
Piazza del Campo, facadesShutters, awnings and the fountain
Built with Charrette: Old city of Sana'a, Yemen
Old city of Sana'a, YemenTower houses and city wall, from a photo
Built with Charrette: Neon shopping street
Neon shopping streetSigns, shopfronts and street, from a photo
Built with Charrette: Canyon landform
Canyon landformTerrain and river
Built with Charrette: Autumn maple
Autumn mapleModeled from a photo
Built with Charrette: Paley Park, New York
Paley Park, New YorkTrees, ivy wall, water wall and neighbors
Built with Charrette: Torre del Mangia, the top
Torre del Mangia, the topOne part of a model, taken to detail
Built with Charrette: Walt Disney Concert Hall
Walt Disney Concert Hall488 steps over 9 runs
Built with Charrette: Little Island, New York
Little Island, New YorkIsland, planting, pilings and neighborhood
Built with Charrette: Row homes
Row homes183 steps across two runs, 25 minutes
Built with Charrette: Terraced retaining walls
Terraced retaining wallsFrom one photo

See the whole gallery

Pricing

One product. Everything included.

Yearly

Charrette

$300 per seat, per year
  • The whole product, every feature
  • Sites, buildings, interiors, objects
  • Two computers, one user
Request a seat
Monthly

Charrette

$40 per seat, per month
  • The whole product, every feature
  • Sites, buildings, interiors, objects
  • Two computers, one user
Request a seat

Current pricing is for our paid Beta Phase-I. While our current available seats are full, we are adding more seats every day, so please join the waiting list and we will get you at the table very soon!

You also need SketchUp for desktop. A firm buys seats for its people, on one invoice.

Questions

Before you take a seat

What do I need to run Charrette?

SketchUp for desktop (built and tested on SketchUp 2026 and 2027 for Windows), and a seat.

Will it work on a model I already have?

Yes. Open it and start talking. It works with what’s there, and it can tidy a messy model before it adds anything.

Does Charrette save over my model?

No. Charrette never saves your file. Every step it takes is one Undo in SketchUp, so you can step back through anything it did.

Is the result real SketchUp geometry?

Yes. Faces and edges, in groups and named components, on tags. Windows and doors are components that cut their openings. Nothing is imported as a mesh.

Can I build from it?

It measures what it can and tells you what it didn’t check. Its drawings are for review, not construction. The stamp is still yours.

Who decides?

You do. Hand it a decision when you’d rather keep moving, and take it back whenever you like.

See it on your own model

Bring a picture, a plan, or a model that needs fixing. The paid beta is full right now, and we add seats every day. Join the waiting list and we will get you at the table very soon.

We use your email only to write to you about a seat.