Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Seele AI
✓ verifiedFreemium
Multimodal AI agent (SeeleAgent) that turns a single prompt into playable games, 3D worlds, images, video, and code in one cloud workspace.
207K visits/mo
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3DPEA
✓ verifiedFree
Free online tool that converts PNG images into 3D-printable STL models, part of 3DPEA's wider file-conversion suite.
174K visits/mo
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Fast3D
✓ verifiedFreemium
AI generator turning text or images into 3D models in seconds, with PBR textures and formats for games, AR/VR and 3D printing.
225K visits/mo4.3K saves
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Marble by World Labs
✓ verifiedPaid
AI tool for generating and exploring high-fidelity, editable 3D worlds from prompts, sold via prepaid credit packages.
150K visits/mo1.3K saves
Pricing
No public pricing
No public pricing
Free: $0 (300 credits/mo)
Pro: $10/mo (10000 credits/mo)
Max: $20/mo (30000 credits/mo)
Package A: $5 (5,000 credits)
Package B: $20 (22,000 credits)
Package C: $50 (63,000 credits)
Core features
- ✦One-prompt playable game generation
- ✦3D world and greybox previz generation from text
- ✦Image-to-game and image-to-video conversion
- ✦Built-in AI code editor for game logic
- ✦Game asset, trailer, and worldbuilding generators
- ✦Support for Three.js, Unity 6, and Unreal engines with multiplayer
- ✦PNG-to-STL conversion via pixel height mapping
- ✦Standard and extrude (with color) conversion modes
- ✦Controls for size, resolution, border and thickness
- ✦Color merging, smoothing and transparency handling
- ✦Supports many other image and 3D format conversions
- ✦No file storage; runs in the browser on any OS
- ✦Text-to-3D and image-to-3D generation
- ✦Roughly 10-second generation
- ✦PBR material and texture synthesis
- ✦Exports GLB, FBX, OBJ and STL
- ✦Adjustable mesh density and quality
- ✦Credit-based usage
- ✦AI-generated 3D world creation
- ✦World editing tools
- ✦Credit-based usage packages
- ✦Sharing generated worlds
Use cases
- →Rapidly prototyping playable games from a text description
- →Generating 3D game worlds and assets without manual modeling
- →Producing game trailers and marketing assets automatically
- →Building visual novels or RPG content with AI-generated dialogue and lore
- →Turning logos or images into 3D-printable models
- →Creating custom reliefs and lithophane-style prints
- →Prototyping simple 3D objects from 2D artwork
- →Converting between assorted image and 3D formats
- →Generating 3D assets for games
- →Creating models for 3D printing
- →AR/VR and metaverse content
- →Product design prototyping
- →Generating 3D environments for creative or game projects
- →Prototyping virtual scenes without manual 3D modeling
- →Sharing AI-generated worlds with others
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