Wen: Clickable mocks fail for non-deterministic AI; teams must test live models
Jenny Wen · The design process is dead. Here’s what’s replacing it. | Jenny Wen (head of design at Claude) · Mar 1, 2026 · at 12:20
Jenny Wen, Head of Design for Claude at Anthropic, discusses why non-deterministic AI products require testing live models rather than static prototypes.
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“You can't, you just can't, we can't mock up all the states, you know, and you can't theorize and you can't even make like a clickable prototype where that you sort of have to use the actual models underneath and you have to sort of see people try it out with their use cases because with these models, like you discover, you can design them for different use cases, but you don't, you have to discover use cases as you see people using them.”
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