Nick Test

How Meta designed Muse: an AI agent people actually want to talk to | Alex Cornell (Design Director)

Published
Oct 12, 2026

Alex Cornell is a design director at Meta, where he leads design on Muse, Meta’s consumer AI agent. He came to the role with a long background in software product design, including time as a founder, and has spent the past year building one of the most thoughtful agent interfaces in the consumer AI space. Muse ships with a custom avatar, a three-layer status display, a personalized ideas surface, and a generative feed. Alex has been sharing the reasoning behind each of those design decisions publicly on Threads.

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How Meta designed Muse: an AI agent people actually want to talk to | Alex Cornell (Design Director)
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Published
Oct 12, 2026
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Oct 12, 2026
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