Tim Sweeney says Epic is competing with Three.js: Unreal is 5x faster to prototype, gap to close by year end
nptacek · x · 2026-10-20
Three.js creator mrdoob reacted to Tim Sweeney saying he's "competing" with him. The Epic CEO elaborated: prototyping with Unreal Engine is currently about 5x faster than Three.js, while Three.js is 10x faster — and Epic aims to reverse that gap by the end of the year. The exchange signals Epic is pushing into faster, web-oriented 3D prototyping, putting it on a collision course with the Three.js ecosystem.
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