Ludo.ai
Concept art & 2D assets · Free tier + paid- Commercial use
- Commercial use allowed
- Free plan
- Free planFree plan; sprite sheets watermarked
- Ship free-plan output?
- Yes
- Engines
- Unity
Ludo.ai vs Retro Diffusion
Facts from each vendor's published pages, checked . Compare different tools →
Our ranking
In Concept art & 2D assets, Retro Diffusion ranks #1 and Ludo.ai ranks #2. No independent quality tests found. Ranked on game-dev fit: commercial use allowed; Godot, Unity, Unreal integrations; API and official MCP server.
Retro Diffusion
Concept art & 2D assets · Pay as you go- Commercial use
- Commercial use allowed
- Free plan
- Free trial or credits onlyFree starting balance for new accounts
- Ship free-plan output?
- Yes (free option is a trial or credits)
- Engines
- Godot, Unity, Unreal
Bottom line for game devs
- Commercial use: both commercial use allowed (Ludo.ai terms; Retro Diffusion terms).
- Free plan: Ludo.ai: free plan (Free plan; sprite sheets watermarked) pricing. Retro Diffusion: free trial or credits only (Free starting balance for new accounts) pricing.
- Shipping free-plan output in a paid game: both allow it, per their published terms.
- API and MCP: both: public API, official MCP server.
- Engine integrations stated by the vendor: Ludo.ai: Unity. Retro Diffusion: Godot, Unity, Unreal.
Best for
Game ideation plus 2D sprites in one tool
Pay-per-image pixel-art sprites and tiles
What it does
Game ideation and asset tool: concept generation, sprites and sprite sheets, textures, plus a Unity editor plugin and API.
Pixel-art-specific image models for sprites, tiles, tilesets and animations, plus low-poly 3D model generation with export for Godot, Unity and Unreal. Also sells an Aseprite extension.
Verdict
For Unity devs who want ideation and 2D assets in one place; its FAQ says you own what you generate, but free-plan sprite sheets are watermarked.
For pixel-art devs who want pay-per-image pricing with no subscription; the site says all output is yours for commercial use.
Tasks●
Concept art & 2D assets, Textures & materials
Concept art & 2D assets, 3D model generation
Engines●
Unity
Godot, Unity, Unreal
Free plan●
Free plan Free plan; sprite sheets watermarked
Free trial or credits only Free starting balance for new accounts
Pricing
Free plan (sprite sheets watermarked). Indie US$15/month billed annually (US$180/year), Pro US$35/month billed annually (US$420/year), Studio US$300/month billed annually (US$3,600/year); extra credit packs from US$15 for 250 credits. source
Pay per generation from a prepaid balance: images from US$0.03 (RD Fast), US$0.06, US$0.18 (RD Pro); animations from US$0.07 per clip. New accounts get a free starting balance. source
Export formats
Not stated by vendor
Not stated by vendor
Commercial use
Commercial use allowed
FAQ: the person who initiates a generation is recognized as the full owner of that content and can export and use it as they see fit. source
FAQ: the person who initiates a generation is recognized as the full owner of that content and can export and use it as they see fit. source
Commercial use allowed
Official FAQ: "Everything you generate is yours, for personal and commercial projects alike." source
Official FAQ: "Everything you generate is yours, for personal and commercial projects alike." source
Revenue share / caps
Not stated by vendor
Not stated by vendor
MCP server
Official MCP server. Remote MCP server on Pro or Studio plans source
Official MCP server. Hosted MCP server source
Last checked
Rows marked ● differ between the two tools. Licence badges: green = commercial use allowed (including any free plan or trial), amber = paid plans only, restricted, or allowed but with no free plan, red = not allowed, grey = not stated by vendor or not applicable. Read the vendor's current terms before you ship.