YC-backed Design Arena turns 7M users' real creative work into benchmarks for frontier models

ycombinator · x · 2026-11-14

Y Combinator highlights its S25 company Intelligence, which builds benchmarks for the hardest-to-measure parts of AI. Its first product, Design Arena, lets people use frontier models to build websites, images, videos, and other creative work, then converts those real-world interactions into data that helps model labs understand where their models succeed and fail.

Design Arena has grown to more than 7 million users, representing a "real usage as evaluation" approach that departs from static leaderboards.

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YC-backed Design Arena turns 7M users' real creative work into benchmarks for frontier models

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