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#boldly code#ai website builder#claude sonnet#grok 4#composer#landing page

Boldly Code Website Builder: Claude, Grok, Composer

Mihaly Varga

Mihaly Varga

Founder & AI Creative Director

23 September 2026
7 min read

Boldly Code is the page builder, separate from the general chat thread. You describe a site. Claude, Grok, or Composer returns one HTML document with the styling inside the file.

Which model to pick

  • Claude is the default. It uses your Anthropic key when one is set, and fal Claude Sonnet 4.5 when it is not.
  • Grok is x-ai/grok-4 on fal. Use it when you want a sharper, shorter page.
  • Composer here is openai/gpt-4.1 on fal. Use it for structured sections and clearer labels.

None of these three are image models. GPT Image 2.5 Sunburst does not live in Code. If the page needs a hero photograph, make it in Image Studio and describe where it should sit, or let the HTML use a solid layout until you drop the file in.

A prompt that comes back as a page

  1. 1Business name and one sentence of what it sells.
  2. 2Sections: hero, proof, offer, questions, contact.
  3. 3Tone: quiet luxury, playful, or technical.
  4. 4Constraint: one file, no external CSS, readable on a phone.

The preview is an iframe of that file. Download it when the layout holds. If the first pass is generic, reply with the section that failed instead of rewriting the whole brief.

Code is not Film Studio

A landing page does not generate the commercial. Stills go to Image Studio. Motion goes to Film Studio. Code is the page those assets sit on.

Open Boldly Code, pick the model, and send the section list.

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