Website and product design for AI startups: one system, from the homepage to the agent

Because the buyer meets both within days. The website makes a promise; the demo or trial tests it. With AI products the gap is wider than usual: the website shows a polished, confident result, and the first session shows a model that sometimes hesitates, asks or gets it wrong. If the two were designed separately, the buyer feels the difference exactly when they decide.

Designed together, the website shows the product as it really works, and the product delivers what the website promised. The same type, color and voice run through both, so the demo looks like the company the buyer just read about. We cover the general case in product design vs marketing design.

In our view, four things, and each one changes what the screens must do.

• The output is not certain. Show what the AI is doing and how sure it is, so users know when to check its work.
• Users need to correct it. Make editing, retrying and undoing the AI's work as easy as accepting it.
• Trust is earned in steps. Let users start with small, reviewable tasks before handing the AI bigger ones.
• A person stays in control where it matters. Make clear where the AI acts alone and where it waits for approval.

• The product working: what goes in, what the AI does, what comes back, with real examples.
• The outcome in the buyer's terms, as Kuhnic's site does: more clients without adding staff, weeks of due diligence down to an hour.
• How the product handles accuracy, data and approval, because AI buyers ask early.
• Proof: named customers, integrations and the tools your buyers already use.

For Kuhnic, an AI automation company, the site runs dark and monochrome with outcome claims leading and the proof, client logos and platform diagrams as the loudest things on the page; you can watch the direction being decided in the Kuhnic behind-the-scenes video. For Maven Data, a product doing three jobs got a site that gives each job its own pass, designed in one week. Michael Lock, PMM at Clarity RCM, described what came back from our work as "a complete system in Figma plus a 25-page site architecture."

• Website: the Signature Homepage is $9,783 and takes nine days; the Scalable Website System is $22,981 and takes 3.5 weeks, with a design system built for Claude, Cursor and Codex.
• Product: Product design is fully custom. We price it from your problem, your context and what it takes to solve it.
• Website, product, brand and motion with one team: a design pod from $35,000, with scope and timeline set on a call and written down with a price and an end date.

Weroast is a design partner built only for post-PMF B2B SaaS and AI companies, from Seed to Series B. Product, website, brand and motion designers work as one team. See pricing and product design.

We are listed as a trusted design partner by Fletch, a product marketing firm. We do not do positioning ourselves; we work alongside partners such as Fletch, because positioning shapes design.

• You are an AI startup past product-market fit, from Seed to Series B.
• Your website and product tell different stories, and you want one team to design both.
• Your positioning is clear, or you have a partner for it. We do not do positioning.