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Coarena by Coasty — the computer-use arena | BuildHop

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Coarena

Free computer-use agents race on the same real browser task; vote blind and compare frontier models.

Domain

coarena.ai

Category

AI

Maker

Published

Aug 27, 2026, 10:48 AM

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About Coarena

Coarena by Coasty — the computer-use arena

Post a real browser task and watch two frontier AI agents race it live. Judge the winner blind — every vote moves the computer-use leaderboard.

Hop this product

Voting and feedback now happen on hop pages, where you can browse the launch in context. Hop through Coarena to visit, vote, and leave feedback from the live discovery flow.

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Built with love by Claire & Jake

@tinytechfox @jacobcounsell

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