In Textures & materials, Leonardo.Ai ranks #7 and Hunyuan3D 2.1 (Tencent) ranks #9. No independent quality tests found. Ranked on game-dev fit: commercial use allowed; no engine integration stated; API and official MCP server.
Commercial use: Hunyuan3D 2.1 (Tencent): restricted (see notes) terms. Leonardo.Ai: commercial use allowed terms.
Free plan: Hunyuan3D 2.1 (Tencent): free plan (Free open weights (your own GPU costs)) pricing. Leonardo.Ai: free plan (150 fast tokens/day; creations are public) pricing.
Shipping free-plan output in a paid game: only Leonardo.Ai allows it, per their published terms.
API and MCP: both: public API, official MCP server.
Engine integrations stated by the vendor: both: none stated (standard file export).
Self-hosted image-to-3D outside the EU/UK/South Korea
General concept art and icon ideas
What it does
Open-weights image-to-3D model with PBR material generation that you can run on your own hardware.
General image and video generation platform with trainable custom models; usable for concept art, item icons and texture ideas.
Verdict
For devs who can self-host a 3D model generator at no licence cost; the licence excludes the EU, UK and South Korea, and products over 1 million monthly users must request a licence.
For general concept art and icon ideas; free-tier output can be used commercially but is public and Leonardo holds rights to it, while paid plans give you ownership.
Tasks●
3D model generation, Textures & materials
Concept art & 2D assets, Textures & materials
Engines
Any (standard file export / engine-agnostic)
Any (standard file export / engine-agnostic)
Free plan
Free plan Free open weights (your own GPU costs)
Free plan 150 fast tokens/day; creations are public
Pricing
Free to download and self-host (your own GPU/compute costs apply). source
Free: 150 fast tokens/day (public creations). Essential US$12/month, Premium US$30/month, Ultimate US$60/month (ex. tax). Team and API plans available. source
Export formats
Not stated by vendor
Not stated by vendor
Commercial use●
Restricted (see notes) Tencent Hunyuan 3D 2.1 Community License: does NOT apply in the EU, UK or South Korea; use of the works or outputs outside the licensed territory is unauthorized; products with over 1 million monthly active users must request a license from Tencent. source
Commercial use allowed Paid subscribers retain full ownership and IP rights. Free tier: Leonardo holds rights to the images but grants you a non-exclusive, royalty-free licence for commercial use; free creations are public. source
Revenue share / caps●
Products with over 1 million monthly active users must request a licence from Tencent.
Not stated by vendor
API
Available. Paid Hunyuan 3D API on Tencent Cloud source
Available. API plans are separate from web subscriptions source
MCP server
Official MCP server. Tencent CloudBase MCP server template for the Hunyuan 3D API source
Official MCP server. Hosted MCP server (needs API plan and key) source
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.