Marble (World Labs)

Generates persistent 3D worlds from text, images, video, 360° panoramas or blocked-out 3D layouts. Exports Gaussian splats and GLB meshes, and records camera flythrough videos.

Visit official site ↗Free tier + paidRestricted (see notes)

#1 in Level & terrain generationranked on game-dev fit · how we rank

Verdict: For blocking out explorable environments or flythrough shots; exports go to Unity/Unreal via Gaussian-splat plugins, and commercial rights are listed on Pro.

Best for

Explorable 3D environments and flythrough shots

Tasks

Level & terrain generation, Trailers & marketing

Engines

Unity, Unreal

Price & free tier

Free plan Up to 4 world generations
Free $0/month (7,000 credits, up to 4 world generations). Standard US$20/month (20,000 credits), Pro US$35/month (40,000 credits; commercial rights) and Max US$95/month (120,000 credits). Top-up credits from US$5 on Standard and above. Enterprise custom. The World API is billed separately.
Source: https://marble.worldlabs.ai/pricing

Export formats

SPZ and PLY Gaussian splats; GLB collider and high-quality meshes
Source: https://docs.worldlabs.ai/marble/export/specs

Commercial use & licence

Restricted (see notes)
Billing docs list "commercial rights to generated worlds" on the Pro plan. Commercial terms for Free and Standard: unverified.
Source: https://docs.worldlabs.ai/marble/support/account-billing

Revenue share / caps

Not stated by vendor

API

Available World API (separate credits)
Source: https://docs.worldlabs.ai/api/index

MCP server

Not stated by vendor Not checked

Last checked

Sat 17 Oct

We summarise what the vendor's own pages say on the date above. "Not stated by vendor" means we couldn't find that detail on the vendor's pages. Read the vendor's current terms before you ship anything.