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ArchOne AI vs RoomGPT

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. ArchOne AI publishes a starting price ($15); RoomGPT does not. Only ArchOne AI has a free tier.

ArchOne AIUpload a photo of a room, exterior, or lot and get AI-generated interior, exterior, or landscape design concepts.RoomGPTRedesigns a room photo into different interior styles

Side by side

FactArchOne AIRoomGPT
CategoryInterior & Architectural DesignInterior & Architectural Design
Pricing modelFreemiumPaid
Starts at$15 month—
Public APINoNo
PlatformsWebWeb
CompanyArchOne AI—
Last verifiedSep 1, 2026Sep 6, 2026

What our research says

ArchOne AI

ArchOne AI is positioned deliberately as an early-concept tool rather than a CAD replacement—useful for showing a client three style directions quickly, not for producing a construction-ready drawing. The free 5-credit tier and cheap credit packs make it easy to test whether the output style matches what a given project needs before committing to a subscription. Because it's photo-to-concept rather than parametric design, changes still require regenerating rather than precisely editing a specific element.

Pros

  • Covers interiors, exteriors, landscapes, and floor plans in one tool
  • Free 5-credit tier and small pay-as-you-go packs lower the cost to test it
  • Priority generation queue on higher tiers for time-sensitive presentations

Cons

  • Explicitly not meant for production-ready technical documentation
  • Free and Starter tiers add a watermark or resolution cap on exports
  • No company name or location published on the site

RoomGPT

The fastest way to answer "what would this room look like in a different style", and the no-expiry credit model suits people who use it twice a year rather than twice a day. Treat the output as a mood board, not something a contractor can build from.

Pros

  • Credits are a one-time purchase with no expiry, confirmed in the vendor's own fulfillment policy
  • Single-photo input with no modelling, measuring or scene setup
  • Turnaround is fast enough to iterate live in front of a client

Cons

  • Output is a render with no dimensions, product links or shopping list
  • No API, no batch upload and no team workspace
  • Run by a single developer, so support and roadmap rest on one person
  • A discount code is permanently displayed on the site, which makes the list price hard to take at face value

Which one fits

Choose ArchOne AI if you need

  • Designers wanting quick style options to show a client early
  • Homeowners or remodelers exploring directions before hiring a designer
  • Real estate teams wanting varied staging or listing visuals

Choose RoomGPT if you need

  • Homeowners testing decor directions before committing money
  • Agents producing quick visual concepts for a listing
  • Designers generating client mood boards during a call

More comparisons

All RoomGPT alternatives →Browse all Interior & Architectural Design →